Home / 148,301.61-222,490.38-43,120.61

Finding the Fourth Proportional to 148,301.61, 222,490.38 and 43,120.61

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Solution

The fourth proportional to 148,301.61, 222,490.38 and 43,120.61 is: 64,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,301.61 : 222,490.38 = 43,120.61 : x
  2. Step 2: Convert to fraction form
    148,301.61/222,490.38 = 43,120.61/x
  3. Step 3: Cross multiply
    148,301.61x = 222,490.38 × 43,120.61
  4. Step 4: Simplify right side
    148,301.61x = 9,593,920,904.73
  5. Step 5: Solve for x
    x = 9,593,920,904.73/148,301.61
  6. Step 6: Final answer
    x = 64,691.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.