Home / 131,350.66-181,230.54-80,344.82

Finding the Fourth Proportional to 131,350.66, 181,230.54 and 80,344.82

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Solution

The fourth proportional to 131,350.66, 181,230.54 and 80,344.82 is: 110,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,350.66 : 181,230.54 = 80,344.82 : x
  2. Step 2: Convert to fraction form
    131,350.66/181,230.54 = 80,344.82/x
  3. Step 3: Cross multiply
    131,350.66x = 181,230.54 × 80,344.82
  4. Step 4: Simplify right side
    131,350.66x = 14,560,935,114.80
  5. Step 5: Solve for x
    x = 14,560,935,114.80/131,350.66
  6. Step 6: Final answer
    x = 110,855.44

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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.