Home / 131,902.30-182,034.10-74,521.72

Finding the Fourth Proportional to 131,902.30, 182,034.10 and 74,521.72

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Solution

The fourth proportional to 131,902.30, 182,034.10 and 74,521.72 is: 102,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,902.30 : 182,034.10 = 74,521.72 : x
  2. Step 2: Convert to fraction form
    131,902.30/182,034.10 = 74,521.72/x
  3. Step 3: Cross multiply
    131,902.30x = 182,034.10 × 74,521.72
  4. Step 4: Simplify right side
    131,902.30x = 13,565,494,230.65
  5. Step 5: Solve for x
    x = 13,565,494,230.65/131,902.30
  6. Step 6: Final answer
    x = 102,845.02

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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.