Home / 132,389.52-182,698.32-71,960.64

Finding the Fourth Proportional to 132,389.52, 182,698.32 and 71,960.64

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Solution

The fourth proportional to 132,389.52, 182,698.32 and 71,960.64 is: 99,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389.52 : 182,698.32 = 71,960.64 : x
  2. Step 2: Convert to fraction form
    132,389.52/182,698.32 = 71,960.64/x
  3. Step 3: Cross multiply
    132,389.52x = 182,698.32 × 71,960.64
  4. Step 4: Simplify right side
    132,389.52x = 13,147,088,034.12
  5. Step 5: Solve for x
    x = 13,147,088,034.12/132,389.52
  6. Step 6: Final answer
    x = 99,306.11

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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.