Home / 108,534.20-162,801.30-64,138.10

Finding the Fourth Proportional to 108,534.20, 162,801.30 and 64,138.10

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Solution

The fourth proportional to 108,534.20, 162,801.30 and 64,138.10 is: 96,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,534.20 : 162,801.30 = 64,138.10 : x
  2. Step 2: Convert to fraction form
    108,534.20/162,801.30 = 64,138.10/x
  3. Step 3: Cross multiply
    108,534.20x = 162,801.30 × 64,138.10
  4. Step 4: Simplify right side
    108,534.20x = 10,441,766,059.53
  5. Step 5: Solve for x
    x = 10,441,766,059.53/108,534.20
  6. Step 6: Final answer
    x = 96,207.15

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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.