Home / 132,011.39-182,127.87-86,713.89

Finding the Fourth Proportional to 132,011.39, 182,127.87 and 86,713.89

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Solution

The fourth proportional to 132,011.39, 182,127.87 and 86,713.89 is: 119,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,011.39 : 182,127.87 = 86,713.89 : x
  2. Step 2: Convert to fraction form
    132,011.39/182,127.87 = 86,713.89/x
  3. Step 3: Cross multiply
    132,011.39x = 182,127.87 × 86,713.89
  4. Step 4: Simplify right side
    132,011.39x = 15,793,016,085.11
  5. Step 5: Solve for x
    x = 15,793,016,085.11/132,011.39
  6. Step 6: Final answer
    x = 119,633.74

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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.