Home / 188,510.31-282,691.08-76,169.34

Finding the Fourth Proportional to 188,510.31, 282,691.08 and 76,169.34

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Solution

The fourth proportional to 188,510.31, 282,691.08 and 76,169.34 is: 114,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,510.31 : 282,691.08 = 76,169.34 : x
  2. Step 2: Convert to fraction form
    188,510.31/282,691.08 = 76,169.34/x
  3. Step 3: Cross multiply
    188,510.31x = 282,691.08 × 76,169.34
  4. Step 4: Simplify right side
    188,510.31x = 21,532,392,987.49
  5. Step 5: Solve for x
    x = 21,532,392,987.49/188,510.31
  6. Step 6: Final answer
    x = 114,223.95

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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.