Home / 145,204.38-217,773.71-55,214.92

Finding the Fourth Proportional to 145,204.38, 217,773.71 and 55,214.92

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Solution

The fourth proportional to 145,204.38, 217,773.71 and 55,214.92 is: 82,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,204.38 : 217,773.71 = 55,214.92 : x
  2. Step 2: Convert to fraction form
    145,204.38/217,773.71 = 55,214.92/x
  3. Step 3: Cross multiply
    145,204.38x = 217,773.71 × 55,214.92
  4. Step 4: Simplify right side
    145,204.38x = 12,024,357,264.56
  5. Step 5: Solve for x
    x = 12,024,357,264.56/145,204.38
  6. Step 6: Final answer
    x = 82,809.88

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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.