Home / 138,966.01-207,432.03-119,370.49

Finding the Fourth Proportional to 138,966.01, 207,432.03 and 119,370.49

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Solution

The fourth proportional to 138,966.01, 207,432.03 and 119,370.49 is: 178,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,966.01 : 207,432.03 = 119,370.49 : x
  2. Step 2: Convert to fraction form
    138,966.01/207,432.03 = 119,370.49/x
  3. Step 3: Cross multiply
    138,966.01x = 207,432.03 × 119,370.49
  4. Step 4: Simplify right side
    138,966.01x = 24,761,262,465.94
  5. Step 5: Solve for x
    x = 24,761,262,465.94/138,966.01
  6. Step 6: Final answer
    x = 178,182.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.