Home / 131,474.82-181,398.51-88,514.85

Finding the Fourth Proportional to 131,474.82, 181,398.51 and 88,514.85

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Solution

The fourth proportional to 131,474.82, 181,398.51 and 88,514.85 is: 122,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,474.82 : 181,398.51 = 88,514.85 : x
  2. Step 2: Convert to fraction form
    131,474.82/181,398.51 = 88,514.85/x
  3. Step 3: Cross multiply
    131,474.82x = 181,398.51 × 88,514.85
  4. Step 4: Simplify right side
    131,474.82x = 16,056,461,902.87
  5. Step 5: Solve for x
    x = 16,056,461,902.87/131,474.82
  6. Step 6: Final answer
    x = 122,125.76

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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.