Home / 99,480.34-149,221.88-55,193.59

Finding the Fourth Proportional to 99,480.34, 149,221.88 and 55,193.59

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Solution

The fourth proportional to 99,480.34, 149,221.88 and 55,193.59 is: 82,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,480.34 : 149,221.88 = 55,193.59 : x
  2. Step 2: Convert to fraction form
    99,480.34/149,221.88 = 55,193.59/x
  3. Step 3: Cross multiply
    99,480.34x = 149,221.88 × 55,193.59
  4. Step 4: Simplify right side
    99,480.34x = 8,236,090,241.67
  5. Step 5: Solve for x
    x = 8,236,090,241.67/99,480.34
  6. Step 6: Final answer
    x = 82,791.14

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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.