Home / 132,368.18-182,654.14-78,645.89

Finding the Fourth Proportional to 132,368.18, 182,654.14 and 78,645.89

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Solution

The fourth proportional to 132,368.18, 182,654.14 and 78,645.89 is: 108,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,368.18 : 182,654.14 = 78,645.89 : x
  2. Step 2: Convert to fraction form
    132,368.18/182,654.14 = 78,645.89/x
  3. Step 3: Cross multiply
    132,368.18x = 182,654.14 × 78,645.89
  4. Step 4: Simplify right side
    132,368.18x = 14,364,996,782.54
  5. Step 5: Solve for x
    x = 14,364,996,782.54/132,368.18
  6. Step 6: Final answer
    x = 108,523.04

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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.