Home / 154,835.38-232,468.13-80,010.82

Finding the Fourth Proportional to 154,835.38, 232,468.13 and 80,010.82

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Solution

The fourth proportional to 154,835.38, 232,468.13 and 80,010.82 is: 120,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,835.38 : 232,468.13 = 80,010.82 : x
  2. Step 2: Convert to fraction form
    154,835.38/232,468.13 = 80,010.82/x
  3. Step 3: Cross multiply
    154,835.38x = 232,468.13 × 80,010.82
  4. Step 4: Simplify right side
    154,835.38x = 18,599,965,705.17
  5. Step 5: Solve for x
    x = 18,599,965,705.17/154,835.38
  6. Step 6: Final answer
    x = 120,127.36

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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.