Home / 103,496.92-155,353.95-91,726

Finding the Fourth Proportional to 103,496.92, 155,353.95 and 91,726

Calculator

Solution

The fourth proportional to 103,496.92, 155,353.95 and 91,726 is: 137,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,496.92 : 155,353.95 = 91,726 : x
  2. Step 2: Convert to fraction form
    103,496.92/155,353.95 = 91,726/x
  3. Step 3: Cross multiply
    103,496.92x = 155,353.95 × 91,726
  4. Step 4: Simplify right side
    103,496.92x = 14,249,996,417.70
  5. Step 5: Solve for x
    x = 14,249,996,417.70/103,496.92
  6. Step 6: Final answer
    x = 137,685.22

Related Problems

Find fourth proportional to 51,748.46, 77,676.98 and 45,863
Half scale
Find fourth proportional to 206,993.84, 310,707.90 and 183,452
Double scale
Find fourth proportional to 103,497.92, 155,355.45 and 91,727
Similar ratio
Find fourth proportional to 155,245.38, 233,030.93 and 137,589
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.