Home / 132,513.60-182,897.28-87,195.72

Finding the Fourth Proportional to 132,513.60, 182,897.28 and 87,195.72

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Solution

The fourth proportional to 132,513.60, 182,897.28 and 87,195.72 is: 120,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,513.60 : 182,897.28 = 87,195.72 : x
  2. Step 2: Convert to fraction form
    132,513.60/182,897.28 = 87,195.72/x
  3. Step 3: Cross multiply
    132,513.60x = 182,897.28 × 87,195.72
  4. Step 4: Simplify right side
    132,513.60x = 15,947,860,015.64
  5. Step 5: Solve for x
    x = 15,947,860,015.64/132,513.60
  6. Step 6: Final answer
    x = 120,348.85

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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.