Home / 143,992.29-215,963.82-38,786.65

Finding the Fourth Proportional to 143,992.29, 215,963.82 and 38,786.65

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Solution

The fourth proportional to 143,992.29, 215,963.82 and 38,786.65 is: 58,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,992.29 : 215,963.82 = 38,786.65 : x
  2. Step 2: Convert to fraction form
    143,992.29/215,963.82 = 38,786.65/x
  3. Step 3: Cross multiply
    143,992.29x = 215,963.82 × 38,786.65
  4. Step 4: Simplify right side
    143,992.29x = 8,376,512,905.07
  5. Step 5: Solve for x
    x = 8,376,512,905.07/143,992.29
  6. Step 6: Final answer
    x = 58,173.35

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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.