Home / 178,849.18-268,273.82-66,514.72

Finding the Fourth Proportional to 178,849.18, 268,273.82 and 66,514.72

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Solution

The fourth proportional to 178,849.18, 268,273.82 and 66,514.72 is: 99,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,849.18 : 268,273.82 = 66,514.72 : x
  2. Step 2: Convert to fraction form
    178,849.18/268,273.82 = 66,514.72/x
  3. Step 3: Cross multiply
    178,849.18x = 268,273.82 × 66,514.72
  4. Step 4: Simplify right side
    178,849.18x = 17,844,158,020.63
  5. Step 5: Solve for x
    x = 17,844,158,020.63/178,849.18
  6. Step 6: Final answer
    x = 99,772.10

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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.