Home / 148,524.10-222,786.15-78,540.10

Finding the Fourth Proportional to 148,524.10, 222,786.15 and 78,540.10

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Solution

The fourth proportional to 148,524.10, 222,786.15 and 78,540.10 is: 117,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,524.10 : 222,786.15 = 78,540.10 : x
  2. Step 2: Convert to fraction form
    148,524.10/222,786.15 = 78,540.10/x
  3. Step 3: Cross multiply
    148,524.10x = 222,786.15 × 78,540.10
  4. Step 4: Simplify right side
    148,524.10x = 17,497,646,499.62
  5. Step 5: Solve for x
    x = 17,497,646,499.62/148,524.10
  6. Step 6: Final answer
    x = 117,810.15

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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.