Home / 108,113.54-162,170.30-55,489.46

Finding the Fourth Proportional to 108,113.54, 162,170.30 and 55,489.46

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Solution

The fourth proportional to 108,113.54, 162,170.30 and 55,489.46 is: 83,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,113.54 : 162,170.30 = 55,489.46 : x
  2. Step 2: Convert to fraction form
    108,113.54/162,170.30 = 55,489.46/x
  3. Step 3: Cross multiply
    108,113.54x = 162,170.30 × 55,489.46
  4. Step 4: Simplify right side
    108,113.54x = 8,998,741,702.91
  5. Step 5: Solve for x
    x = 8,998,741,702.91/108,113.54
  6. Step 6: Final answer
    x = 83,234.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.