Home / 154,934.15-231,902.98-79,952.16

Finding the Fourth Proportional to 154,934.15, 231,902.98 and 79,952.16

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Solution

The fourth proportional to 154,934.15, 231,902.98 and 79,952.16 is: 119,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,934.15 : 231,902.98 = 79,952.16 : x
  2. Step 2: Convert to fraction form
    154,934.15/231,902.98 = 79,952.16/x
  3. Step 3: Cross multiply
    154,934.15x = 231,902.98 × 79,952.16
  4. Step 4: Simplify right side
    154,934.15x = 18,541,143,761.68
  5. Step 5: Solve for x
    x = 18,541,143,761.68/154,934.15
  6. Step 6: Final answer
    x = 119,671.13

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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.