Home / 108,007.40-161,816.70-88,178.60

Finding the Fourth Proportional to 108,007.40, 161,816.70 and 88,178.60

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Solution

The fourth proportional to 108,007.40, 161,816.70 and 88,178.60 is: 132,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,007.40 : 161,816.70 = 88,178.60 : x
  2. Step 2: Convert to fraction form
    108,007.40/161,816.70 = 88,178.60/x
  3. Step 3: Cross multiply
    108,007.40x = 161,816.70 × 88,178.60
  4. Step 4: Simplify right side
    108,007.40x = 14,268,770,062.62
  5. Step 5: Solve for x
    x = 14,268,770,062.62/108,007.40
  6. Step 6: Final answer
    x = 132,109.19

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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.