Home / 149,394.38-223,956.50-54,557.65

Finding the Fourth Proportional to 149,394.38, 223,956.50 and 54,557.65

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Solution

The fourth proportional to 149,394.38, 223,956.50 and 54,557.65 is: 81,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,394.38 : 223,956.50 = 54,557.65 : x
  2. Step 2: Convert to fraction form
    149,394.38/223,956.50 = 54,557.65/x
  3. Step 3: Cross multiply
    149,394.38x = 223,956.50 × 54,557.65
  4. Step 4: Simplify right side
    149,394.38x = 12,218,540,349.38
  5. Step 5: Solve for x
    x = 12,218,540,349.38/149,394.38
  6. Step 6: Final answer
    x = 81,787.15

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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.