Home / 143,502.44-215,236.85-38,329.61

Finding the Fourth Proportional to 143,502.44, 215,236.85 and 38,329.61

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Solution

The fourth proportional to 143,502.44, 215,236.85 and 38,329.61 is: 57,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,502.44 : 215,236.85 = 38,329.61 : x
  2. Step 2: Convert to fraction form
    143,502.44/215,236.85 = 38,329.61/x
  3. Step 3: Cross multiply
    143,502.44x = 215,236.85 × 38,329.61
  4. Step 4: Simplify right side
    143,502.44x = 8,249,943,250.30
  5. Step 5: Solve for x
    x = 8,249,943,250.30/143,502.44
  6. Step 6: Final answer
    x = 57,489.92

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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.