Home / 148,237.29-222,553.98-85,120.47

Finding the Fourth Proportional to 148,237.29, 222,553.98 and 85,120.47

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Solution

The fourth proportional to 148,237.29, 222,553.98 and 85,120.47 is: 127,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,237.29 : 222,553.98 = 85,120.47 : x
  2. Step 2: Convert to fraction form
    148,237.29/222,553.98 = 85,120.47/x
  3. Step 3: Cross multiply
    148,237.29x = 222,553.98 × 85,120.47
  4. Step 4: Simplify right side
    148,237.29x = 18,943,899,377.97
  5. Step 5: Solve for x
    x = 18,943,899,377.97/148,237.29
  6. Step 6: Final answer
    x = 127,794.43

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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.