Home / 143,872.16-215,807.92-38,691.23

Finding the Fourth Proportional to 143,872.16, 215,807.92 and 38,691.23

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Solution

The fourth proportional to 143,872.16, 215,807.92 and 38,691.23 is: 58,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,872.16 : 215,807.92 = 38,691.23 : x
  2. Step 2: Convert to fraction form
    143,872.16/215,807.92 = 38,691.23/x
  3. Step 3: Cross multiply
    143,872.16x = 215,807.92 × 38,691.23
  4. Step 4: Simplify right side
    143,872.16x = 8,349,873,868.54
  5. Step 5: Solve for x
    x = 8,349,873,868.54/143,872.16
  6. Step 6: Final answer
    x = 58,036.76

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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.