Home / 132,160.28-182,381.36-71,730.92

Finding the Fourth Proportional to 132,160.28, 182,381.36 and 71,730.92

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Solution

The fourth proportional to 132,160.28, 182,381.36 and 71,730.92 is: 98,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,160.28 : 182,381.36 = 71,730.92 : x
  2. Step 2: Convert to fraction form
    132,160.28/182,381.36 = 71,730.92/x
  3. Step 3: Cross multiply
    132,160.28x = 182,381.36 × 71,730.92
  4. Step 4: Simplify right side
    132,160.28x = 13,082,382,743.65
  5. Step 5: Solve for x
    x = 13,082,382,743.65/132,160.28
  6. Step 6: Final answer
    x = 98,988.76

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1.5x scale

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.