Home / 143,387.82-215,081.73-59,195.61

Finding the Fourth Proportional to 143,387.82, 215,081.73 and 59,195.61

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Solution

The fourth proportional to 143,387.82, 215,081.73 and 59,195.61 is: 88,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,387.82 : 215,081.73 = 59,195.61 : x
  2. Step 2: Convert to fraction form
    143,387.82/215,081.73 = 59,195.61/x
  3. Step 3: Cross multiply
    143,387.82x = 215,081.73 × 59,195.61
  4. Step 4: Simplify right side
    143,387.82x = 12,731,894,207.21
  5. Step 5: Solve for x
    x = 12,731,894,207.21/143,387.82
  6. Step 6: Final answer
    x = 88,793.42

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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.