Home / 127,395.68-175,812-70,808

Finding the Fourth Proportional to 127,395.68, 175,812 and 70,808

Calculator

Solution

The fourth proportional to 127,395.68, 175,812 and 70,808 is: 97,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,395.68 : 175,812 = 70,808 : x
  2. Step 2: Convert to fraction form
    127,395.68/175,812 = 70,808/x
  3. Step 3: Cross multiply
    127,395.68x = 175,812 × 70,808
  4. Step 4: Simplify right side
    127,395.68x = 12,448,896,096
  5. Step 5: Solve for x
    x = 12,448,896,096/127,395.68
  6. Step 6: Final answer
    x = 97,718.35

Related Problems

Find fourth proportional to 63,697.84, 87,906 and 35,404
Half scale
Find fourth proportional to 254,791.36, 351,624 and 141,616
Double scale
Find fourth proportional to 127,396.68, 175,813.38 and 70,809
Similar ratio
Find fourth proportional to 191,093.52, 263,718 and 106,212
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.