Home / 99,706-137,604-54,994

Finding the Fourth Proportional to 99,706, 137,604 and 54,994

Calculator

Solution

The fourth proportional to 99,706, 137,604 and 54,994 is: 75,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,706 : 137,604 = 54,994 : x
  2. Step 2: Convert to fraction form
    99,706/137,604 = 54,994/x
  3. Step 3: Cross multiply
    99,706x = 137,604 × 54,994
  4. Step 4: Simplify right side
    99,706x = 7,567,394,376
  5. Step 5: Solve for x
    x = 7,567,394,376/99,706
  6. Step 6: Final answer
    x = 75,897.08

Related Problems

Find fourth proportional to 49,853, 68,802 and 27,497
Half scale
Find fourth proportional to 199,412, 275,208 and 109,988
Double scale
Find fourth proportional to 99,707, 137,605.38 and 54,995
Similar ratio
Find fourth proportional to 149,559, 206,406 and 82,491
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.