Home / 148,936.86-205,514.55-88,508.70

Finding the Fourth Proportional to 148,936.86, 205,514.55 and 88,508.70

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Solution

The fourth proportional to 148,936.86, 205,514.55 and 88,508.70 is: 122,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,936.86 : 205,514.55 = 88,508.70 : x
  2. Step 2: Convert to fraction form
    148,936.86/205,514.55 = 88,508.70/x
  3. Step 3: Cross multiply
    148,936.86x = 205,514.55 × 88,508.70
  4. Step 4: Simplify right side
    148,936.86x = 18,189,825,651.59
  5. Step 5: Solve for x
    x = 18,189,825,651.59/148,936.86
  6. Step 6: Final answer
    x = 122,131.12

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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.