Home / 261,789.30-361,247.94-147,061.71

Finding the Fourth Proportional to 261,789.30, 361,247.94 and 147,061.71

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Solution

The fourth proportional to 261,789.30, 361,247.94 and 147,061.71 is: 202,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,789.30 : 361,247.94 = 147,061.71 : x
  2. Step 2: Convert to fraction form
    261,789.30/361,247.94 = 147,061.71/x
  3. Step 3: Cross multiply
    261,789.30x = 361,247.94 × 147,061.71
  4. Step 4: Simplify right side
    261,789.30x = 53,125,739,790.38
  5. Step 5: Solve for x
    x = 53,125,739,790.38/261,789.30
  6. Step 6: Final answer
    x = 202,933.20

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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.