Home / 99,219.88-148,839.65-31,734.96

Finding the Fourth Proportional to 99,219.88, 148,839.65 and 31,734.96

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Solution

The fourth proportional to 99,219.88, 148,839.65 and 31,734.96 is: 47,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,219.88 : 148,839.65 = 31,734.96 : x
  2. Step 2: Convert to fraction form
    99,219.88/148,839.65 = 31,734.96/x
  3. Step 3: Cross multiply
    99,219.88x = 148,839.65 × 31,734.96
  4. Step 4: Simplify right side
    99,219.88x = 4,723,420,339.16
  5. Step 5: Solve for x
    x = 4,723,420,339.16/99,219.88
  6. Step 6: Final answer
    x = 47,605.58

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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.