Home / 123,732.02-170,750.32-67,143.39

Finding the Fourth Proportional to 123,732.02, 170,750.32 and 67,143.39

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Solution

The fourth proportional to 123,732.02, 170,750.32 and 67,143.39 is: 92,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,732.02 : 170,750.32 = 67,143.39 : x
  2. Step 2: Convert to fraction form
    123,732.02/170,750.32 = 67,143.39/x
  3. Step 3: Cross multiply
    123,732.02x = 170,750.32 × 67,143.39
  4. Step 4: Simplify right side
    123,732.02x = 11,464,755,160.53
  5. Step 5: Solve for x
    x = 11,464,755,160.53/123,732.02
  6. Step 6: Final answer
    x = 92,657.95

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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.