Home / 148,989.38-223,624.51-54,311.06

Finding the Fourth Proportional to 148,989.38, 223,624.51 and 54,311.06

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Solution

The fourth proportional to 148,989.38, 223,624.51 and 54,311.06 is: 81,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,989.38 : 223,624.51 = 54,311.06 : x
  2. Step 2: Convert to fraction form
    148,989.38/223,624.51 = 54,311.06/x
  3. Step 3: Cross multiply
    148,989.38x = 223,624.51 × 54,311.06
  4. Step 4: Simplify right side
    148,989.38x = 12,145,284,603.36
  5. Step 5: Solve for x
    x = 12,145,284,603.36/148,989.38
  6. Step 6: Final answer
    x = 81,517.79

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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.