Home / 185,374.32-278,083.11-67,101.36

Finding the Fourth Proportional to 185,374.32, 278,083.11 and 67,101.36

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Solution

The fourth proportional to 185,374.32, 278,083.11 and 67,101.36 is: 100,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,374.32 : 278,083.11 = 67,101.36 : x
  2. Step 2: Convert to fraction form
    185,374.32/278,083.11 = 67,101.36/x
  3. Step 3: Cross multiply
    185,374.32x = 278,083.11 × 67,101.36
  4. Step 4: Simplify right side
    185,374.32x = 18,659,754,874.03
  5. Step 5: Solve for x
    x = 18,659,754,874.03/185,374.32
  6. Step 6: Final answer
    x = 100,659.87

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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.