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Finding the Fourth Proportional to 125,233.70, 172,822.11 and 67,874.72

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Solution

The fourth proportional to 125,233.70, 172,822.11 and 67,874.72 is: 93,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,233.70 : 172,822.11 = 67,874.72 : x
  2. Step 2: Convert to fraction form
    125,233.70/172,822.11 = 67,874.72/x
  3. Step 3: Cross multiply
    125,233.70x = 172,822.11 × 67,874.72
  4. Step 4: Simplify right side
    125,233.70x = 11,730,252,326.06
  5. Step 5: Solve for x
    x = 11,730,252,326.06/125,233.70
  6. Step 6: Final answer
    x = 93,666.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.