Home / 126,227.68-174,191.28-69,639.04

Finding the Fourth Proportional to 126,227.68, 174,191.28 and 69,639.04

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Solution

The fourth proportional to 126,227.68, 174,191.28 and 69,639.04 is: 96,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,227.68 : 174,191.28 = 69,639.04 : x
  2. Step 2: Convert to fraction form
    126,227.68/174,191.28 = 69,639.04/x
  3. Step 3: Cross multiply
    126,227.68x = 174,191.28 × 69,639.04
  4. Step 4: Simplify right side
    126,227.68x = 12,130,513,515.57
  5. Step 5: Solve for x
    x = 12,130,513,515.57/126,227.68
  6. Step 6: Final answer
    x = 96,100.27

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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.