Home / 132,120.92-182,478.30-87,000.62

Finding the Fourth Proportional to 132,120.92, 182,478.30 and 87,000.62

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Solution

The fourth proportional to 132,120.92, 182,478.30 and 87,000.62 is: 120,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,120.92 : 182,478.30 = 87,000.62 : x
  2. Step 2: Convert to fraction form
    132,120.92/182,478.30 = 87,000.62/x
  3. Step 3: Cross multiply
    132,120.92x = 182,478.30 × 87,000.62
  4. Step 4: Simplify right side
    132,120.92x = 15,875,725,236.55
  5. Step 5: Solve for x
    x = 15,875,725,236.55/132,120.92
  6. Step 6: Final answer
    x = 120,160.57

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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.