Home / 132,464.20-182,736.32-78,711.16

Finding the Fourth Proportional to 132,464.20, 182,736.32 and 78,711.16

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Solution

The fourth proportional to 132,464.20, 182,736.32 and 78,711.16 is: 108,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,464.20 : 182,736.32 = 78,711.16 : x
  2. Step 2: Convert to fraction form
    132,464.20/182,736.32 = 78,711.16/x
  3. Step 3: Cross multiply
    132,464.20x = 182,736.32 × 78,711.16
  4. Step 4: Simplify right side
    132,464.20x = 14,383,387,721.33
  5. Step 5: Solve for x
    x = 14,383,387,721.33/132,464.20
  6. Step 6: Final answer
    x = 108,583.21

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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.