Home / 132,329.19-182,612.07-71,900.76

Finding the Fourth Proportional to 132,329.19, 182,612.07 and 71,900.76

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Solution

The fourth proportional to 132,329.19, 182,612.07 and 71,900.76 is: 99,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329.19 : 182,612.07 = 71,900.76 : x
  2. Step 2: Convert to fraction form
    132,329.19/182,612.07 = 71,900.76/x
  3. Step 3: Cross multiply
    132,329.19x = 182,612.07 × 71,900.76
  4. Step 4: Simplify right side
    132,329.19x = 13,129,946,618.17
  5. Step 5: Solve for x
    x = 13,129,946,618.17/132,329.19
  6. Step 6: Final answer
    x = 99,221.85

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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.