Home / 148,180.85-204,490.04-80,197.82

Finding the Fourth Proportional to 148,180.85, 204,490.04 and 80,197.82

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Solution

The fourth proportional to 148,180.85, 204,490.04 and 80,197.82 is: 110,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,180.85 : 204,490.04 = 80,197.82 : x
  2. Step 2: Convert to fraction form
    148,180.85/204,490.04 = 80,197.82/x
  3. Step 3: Cross multiply
    148,180.85x = 204,490.04 × 80,197.82
  4. Step 4: Simplify right side
    148,180.85x = 16,399,655,419.71
  5. Step 5: Solve for x
    x = 16,399,655,419.71/148,180.85
  6. Step 6: Final answer
    x = 110,673.24

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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.