Home / 145,377.91-217,977.56-56,527.85

Finding the Fourth Proportional to 145,377.91, 217,977.56 and 56,527.85

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Solution

The fourth proportional to 145,377.91, 217,977.56 and 56,527.85 is: 84,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,377.91 : 217,977.56 = 56,527.85 : x
  2. Step 2: Convert to fraction form
    145,377.91/217,977.56 = 56,527.85/x
  3. Step 3: Cross multiply
    145,377.91x = 217,977.56 × 56,527.85
  4. Step 4: Simplify right side
    145,377.91x = 12,321,801,866.48
  5. Step 5: Solve for x
    x = 12,321,801,866.48/145,377.91
  6. Step 6: Final answer
    x = 84,757.04

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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.