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Finding the Fourth Proportional to 127,397.92, 175,787.84 and 70,801.60

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Solution

The fourth proportional to 127,397.92, 175,787.84 and 70,801.60 is: 97,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,397.92 : 175,787.84 = 70,801.60 : x
  2. Step 2: Convert to fraction form
    127,397.92/175,787.84 = 70,801.60/x
  3. Step 3: Cross multiply
    127,397.92x = 175,787.84 × 70,801.60
  4. Step 4: Simplify right side
    127,397.92x = 12,446,060,332.54
  5. Step 5: Solve for x
    x = 12,446,060,332.54/127,397.92
  6. Step 6: Final answer
    x = 97,694.38

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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.