Home / 127,345.75-175,737.17-70,757.12

Finding the Fourth Proportional to 127,345.75, 175,737.17 and 70,757.12

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Solution

The fourth proportional to 127,345.75, 175,737.17 and 70,757.12 is: 97,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,345.75 : 175,737.17 = 70,757.12 : x
  2. Step 2: Convert to fraction form
    127,345.75/175,737.17 = 70,757.12/x
  3. Step 3: Cross multiply
    127,345.75x = 175,737.17 × 70,757.12
  4. Step 4: Simplify right side
    127,345.75x = 12,434,656,026.15
  5. Step 5: Solve for x
    x = 12,434,656,026.15/127,345.75
  6. Step 6: Final answer
    x = 97,644.85

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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.