Home / 188,255.76-282,008.68-137,761.18

Finding the Fourth Proportional to 188,255.76, 282,008.68 and 137,761.18

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Solution

The fourth proportional to 188,255.76, 282,008.68 and 137,761.18 is: 206,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,255.76 : 282,008.68 = 137,761.18 : x
  2. Step 2: Convert to fraction form
    188,255.76/282,008.68 = 137,761.18/x
  3. Step 3: Cross multiply
    188,255.76x = 282,008.68 × 137,761.18
  4. Step 4: Simplify right side
    188,255.76x = 38,849,848,527.04
  5. Step 5: Solve for x
    x = 38,849,848,527.04/188,255.76
  6. Step 6: Final answer
    x = 206,367.38

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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.