Home / 148,141.53-204,434.65-80,159.70

Finding the Fourth Proportional to 148,141.53, 204,434.65 and 80,159.70

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Solution

The fourth proportional to 148,141.53, 204,434.65 and 80,159.70 is: 110,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,141.53 : 204,434.65 = 80,159.70 : x
  2. Step 2: Convert to fraction form
    148,141.53/204,434.65 = 80,159.70/x
  3. Step 3: Cross multiply
    148,141.53x = 204,434.65 × 80,159.70
  4. Step 4: Simplify right side
    148,141.53x = 16,387,420,213.61
  5. Step 5: Solve for x
    x = 16,387,420,213.61/148,141.53
  6. Step 6: Final answer
    x = 110,620.03

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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.