Home / 99,814.85-149,597.68-49,909.22

Finding the Fourth Proportional to 99,814.85, 149,597.68 and 49,909.22

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Solution

The fourth proportional to 99,814.85, 149,597.68 and 49,909.22 is: 74,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,814.85 : 149,597.68 = 49,909.22 : x
  2. Step 2: Convert to fraction form
    99,814.85/149,597.68 = 49,909.22/x
  3. Step 3: Cross multiply
    99,814.85x = 149,597.68 × 49,909.22
  4. Step 4: Simplify right side
    99,814.85x = 7,466,304,005.77
  5. Step 5: Solve for x
    x = 7,466,304,005.77/99,814.85
  6. Step 6: Final answer
    x = 74,801.53

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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.