Home / 132,097.68-182,282.76-78,373.44

Finding the Fourth Proportional to 132,097.68, 182,282.76 and 78,373.44

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Solution

The fourth proportional to 132,097.68, 182,282.76 and 78,373.44 is: 108,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,097.68 : 182,282.76 = 78,373.44 : x
  2. Step 2: Convert to fraction form
    132,097.68/182,282.76 = 78,373.44/x
  3. Step 3: Cross multiply
    132,097.68x = 182,282.76 × 78,373.44
  4. Step 4: Simplify right side
    132,097.68x = 14,286,126,953.89
  5. Step 5: Solve for x
    x = 14,286,126,953.89/132,097.68
  6. Step 6: Final answer
    x = 108,148.20

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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.