Home / 155,909.92-215,104.62-95,417.44

Finding the Fourth Proportional to 155,909.92, 215,104.62 and 95,417.44

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Solution

The fourth proportional to 155,909.92, 215,104.62 and 95,417.44 is: 131,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,909.92 : 215,104.62 = 95,417.44 : x
  2. Step 2: Convert to fraction form
    155,909.92/215,104.62 = 95,417.44/x
  3. Step 3: Cross multiply
    155,909.92x = 215,104.62 × 95,417.44
  4. Step 4: Simplify right side
    155,909.92x = 20,524,732,172.57
  5. Step 5: Solve for x
    x = 20,524,732,172.57/155,909.92
  6. Step 6: Final answer
    x = 131,644.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.