Home / 152,517.20-228,775.80-99,373.10

Finding the Fourth Proportional to 152,517.20, 228,775.80 and 99,373.10

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Solution

The fourth proportional to 152,517.20, 228,775.80 and 99,373.10 is: 149,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,517.20 : 228,775.80 = 99,373.10 : x
  2. Step 2: Convert to fraction form
    152,517.20/228,775.80 = 99,373.10/x
  3. Step 3: Cross multiply
    152,517.20x = 228,775.80 × 99,373.10
  4. Step 4: Simplify right side
    152,517.20x = 22,734,160,450.98
  5. Step 5: Solve for x
    x = 22,734,160,450.98/152,517.20
  6. Step 6: Final answer
    x = 149,059.65

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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.