Home / 132,160.30-182,376.34-71,729.65

Finding the Fourth Proportional to 132,160.30, 182,376.34 and 71,729.65

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Solution

The fourth proportional to 132,160.30, 182,376.34 and 71,729.65 is: 98,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,160.30 : 182,376.34 = 71,729.65 : x
  2. Step 2: Convert to fraction form
    132,160.30/182,376.34 = 71,729.65/x
  3. Step 3: Cross multiply
    132,160.30x = 182,376.34 × 71,729.65
  4. Step 4: Simplify right side
    132,160.30x = 13,081,790,226.39
  5. Step 5: Solve for x
    x = 13,081,790,226.39/132,160.30
  6. Step 6: Final answer
    x = 98,984.26

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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.