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Finding the Fourth Proportional to 108,003.40, 161,810.70 and 88,174.60

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Solution

The fourth proportional to 108,003.40, 161,810.70 and 88,174.60 is: 132,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,003.40 : 161,810.70 = 88,174.60 : x
  2. Step 2: Convert to fraction form
    108,003.40/161,810.70 = 88,174.60/x
  3. Step 3: Cross multiply
    108,003.40x = 161,810.70 × 88,174.60
  4. Step 4: Simplify right side
    108,003.40x = 14,267,593,748.22
  5. Step 5: Solve for x
    x = 14,267,593,748.22/108,003.40
  6. Step 6: Final answer
    x = 132,103.19

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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.