Home / 126,877.29-175,088.71-69,516.15

Finding the Fourth Proportional to 126,877.29, 175,088.71 and 69,516.15

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Solution

The fourth proportional to 126,877.29, 175,088.71 and 69,516.15 is: 95,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,877.29 : 175,088.71 = 69,516.15 : x
  2. Step 2: Convert to fraction form
    126,877.29/175,088.71 = 69,516.15/x
  3. Step 3: Cross multiply
    126,877.29x = 175,088.71 × 69,516.15
  4. Step 4: Simplify right side
    126,877.29x = 12,171,493,027.67
  5. Step 5: Solve for x
    x = 12,171,493,027.67/126,877.29
  6. Step 6: Final answer
    x = 95,931.22

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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.