Home / 126,432.29-174,476.43-72,715.93

Finding the Fourth Proportional to 126,432.29, 174,476.43 and 72,715.93

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Solution

The fourth proportional to 126,432.29, 174,476.43 and 72,715.93 is: 100,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,432.29 : 174,476.43 = 72,715.93 : x
  2. Step 2: Convert to fraction form
    126,432.29/174,476.43 = 72,715.93/x
  3. Step 3: Cross multiply
    126,432.29x = 174,476.43 × 72,715.93
  4. Step 4: Simplify right side
    126,432.29x = 12,687,215,434.34
  5. Step 5: Solve for x
    x = 12,687,215,434.34/126,432.29
  6. Step 6: Final answer
    x = 100,347.90

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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.