Home / 108,016.40-161,830.20-88,187.60

Finding the Fourth Proportional to 108,016.40, 161,830.20 and 88,187.60

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Solution

The fourth proportional to 108,016.40, 161,830.20 and 88,187.60 is: 132,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,016.40 : 161,830.20 = 88,187.60 : x
  2. Step 2: Convert to fraction form
    108,016.40/161,830.20 = 88,187.60/x
  3. Step 3: Cross multiply
    108,016.40x = 161,830.20 × 88,187.60
  4. Step 4: Simplify right side
    108,016.40x = 14,271,416,945.52
  5. Step 5: Solve for x
    x = 14,271,416,945.52/108,016.40
  6. Step 6: Final answer
    x = 132,122.69

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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.