Home / 261,536.46-392,253.01-71,947.91

Finding the Fourth Proportional to 261,536.46, 392,253.01 and 71,947.91

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Solution

The fourth proportional to 261,536.46, 392,253.01 and 71,947.91 is: 107,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,536.46 : 392,253.01 = 71,947.91 : x
  2. Step 2: Convert to fraction form
    261,536.46/392,253.01 = 71,947.91/x
  3. Step 3: Cross multiply
    261,536.46x = 392,253.01 × 71,947.91
  4. Step 4: Simplify right side
    261,536.46x = 28,221,785,061.47
  5. Step 5: Solve for x
    x = 28,221,785,061.47/261,536.46
  6. Step 6: Final answer
    x = 107,907.65

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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.