Home / 148,269.26-204,612-80,287.04

Finding the Fourth Proportional to 148,269.26, 204,612 and 80,287.04

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Solution

The fourth proportional to 148,269.26, 204,612 and 80,287.04 is: 110,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,269.26 : 204,612 = 80,287.04 : x
  2. Step 2: Convert to fraction form
    148,269.26/204,612 = 80,287.04/x
  3. Step 3: Cross multiply
    148,269.26x = 204,612 × 80,287.04
  4. Step 4: Simplify right side
    148,269.26x = 16,427,691,828.48
  5. Step 5: Solve for x
    x = 16,427,691,828.48/148,269.26
  6. Step 6: Final answer
    x = 110,796.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.