Home / 123,929.25-171,022.02-67,340.61

Finding the Fourth Proportional to 123,929.25, 171,022.02 and 67,340.61

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Solution

The fourth proportional to 123,929.25, 171,022.02 and 67,340.61 is: 92,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,929.25 : 171,022.02 = 67,340.61 : x
  2. Step 2: Convert to fraction form
    123,929.25/171,022.02 = 67,340.61/x
  3. Step 3: Cross multiply
    123,929.25x = 171,022.02 × 67,340.61
  4. Step 4: Simplify right side
    123,929.25x = 11,516,727,150.23
  5. Step 5: Solve for x
    x = 11,516,727,150.23/123,929.25
  6. Step 6: Final answer
    x = 92,929.85

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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.