Home / 126,193.52-173,792.71-123,437.90

Finding the Fourth Proportional to 126,193.52, 173,792.71 and 123,437.90

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Solution

The fourth proportional to 126,193.52, 173,792.71 and 123,437.90 is: 169,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,193.52 : 173,792.71 = 123,437.90 : x
  2. Step 2: Convert to fraction form
    126,193.52/173,792.71 = 123,437.90/x
  3. Step 3: Cross multiply
    126,193.52x = 173,792.71 × 123,437.90
  4. Step 4: Simplify right side
    126,193.52x = 21,452,607,157.71
  5. Step 5: Solve for x
    x = 21,452,607,157.71/126,193.52
  6. Step 6: Final answer
    x = 169,997.69

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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.