Home / 99,849.86-149,733.15-40,645.34

Finding the Fourth Proportional to 99,849.86, 149,733.15 and 40,645.34

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Solution

The fourth proportional to 99,849.86, 149,733.15 and 40,645.34 is: 60,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,849.86 : 149,733.15 = 40,645.34 : x
  2. Step 2: Convert to fraction form
    99,849.86/149,733.15 = 40,645.34/x
  3. Step 3: Cross multiply
    99,849.86x = 149,733.15 × 40,645.34
  4. Step 4: Simplify right side
    99,849.86x = 6,085,954,791.02
  5. Step 5: Solve for x
    x = 6,085,954,791.02/99,849.86
  6. Step 6: Final answer
    x = 60,951.06

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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.