Home / 132,470.74-182,805.55-75,115.32

Finding the Fourth Proportional to 132,470.74, 182,805.55 and 75,115.32

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Solution

The fourth proportional to 132,470.74, 182,805.55 and 75,115.32 is: 103,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,470.74 : 182,805.55 = 75,115.32 : x
  2. Step 2: Convert to fraction form
    132,470.74/182,805.55 = 75,115.32/x
  3. Step 3: Cross multiply
    132,470.74x = 182,805.55 × 75,115.32
  4. Step 4: Simplify right side
    132,470.74x = 13,731,497,386.03
  5. Step 5: Solve for x
    x = 13,731,497,386.03/132,470.74
  6. Step 6: Final answer
    x = 103,656.83

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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.