Home / 148,002.10-222,003.15-84,757.30

Finding the Fourth Proportional to 148,002.10, 222,003.15 and 84,757.30

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Solution

The fourth proportional to 148,002.10, 222,003.15 and 84,757.30 is: 127,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,002.10 : 222,003.15 = 84,757.30 : x
  2. Step 2: Convert to fraction form
    148,002.10/222,003.15 = 84,757.30/x
  3. Step 3: Cross multiply
    148,002.10x = 222,003.15 × 84,757.30
  4. Step 4: Simplify right side
    148,002.10x = 18,816,387,585.50
  5. Step 5: Solve for x
    x = 18,816,387,585.50/148,002.10
  6. Step 6: Final answer
    x = 127,135.95

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1.5x scale

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.