Home / 154,327.38-231,169.05-124,179.18

Finding the Fourth Proportional to 154,327.38, 231,169.05 and 124,179.18

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Solution

The fourth proportional to 154,327.38, 231,169.05 and 124,179.18 is: 186,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,327.38 : 231,169.05 = 124,179.18 : x
  2. Step 2: Convert to fraction form
    154,327.38/231,169.05 = 124,179.18/x
  3. Step 3: Cross multiply
    154,327.38x = 231,169.05 × 124,179.18
  4. Step 4: Simplify right side
    154,327.38x = 28,706,383,070.38
  5. Step 5: Solve for x
    x = 28,706,383,070.38/154,327.38
  6. Step 6: Final answer
    x = 186,009.66

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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.