Home / 152,519.20-228,778.80-99,375.10

Finding the Fourth Proportional to 152,519.20, 228,778.80 and 99,375.10

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Solution

The fourth proportional to 152,519.20, 228,778.80 and 99,375.10 is: 149,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,519.20 : 228,778.80 = 99,375.10 : x
  2. Step 2: Convert to fraction form
    152,519.20/228,778.80 = 99,375.10/x
  3. Step 3: Cross multiply
    152,519.20x = 228,778.80 × 99,375.10
  4. Step 4: Simplify right side
    152,519.20x = 22,734,916,127.88
  5. Step 5: Solve for x
    x = 22,734,916,127.88/152,519.20
  6. Step 6: Final answer
    x = 149,062.65

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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.