Home / 149,770.92-206,710.57-88,514.61

Finding the Fourth Proportional to 149,770.92, 206,710.57 and 88,514.61

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Solution

The fourth proportional to 149,770.92, 206,710.57 and 88,514.61 is: 122,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,770.92 : 206,710.57 = 88,514.61 : x
  2. Step 2: Convert to fraction form
    149,770.92/206,710.57 = 88,514.61/x
  3. Step 3: Cross multiply
    149,770.92x = 206,710.57 × 88,514.61
  4. Step 4: Simplify right side
    149,770.92x = 18,296,905,569.49
  5. Step 5: Solve for x
    x = 18,296,905,569.49/149,770.92
  6. Step 6: Final answer
    x = 122,165.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.