Home / 185,418.04-278,126.52-67,088.92

Finding the Fourth Proportional to 185,418.04, 278,126.52 and 67,088.92

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Solution

The fourth proportional to 185,418.04, 278,126.52 and 67,088.92 is: 100,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,418.04 : 278,126.52 = 67,088.92 : x
  2. Step 2: Convert to fraction form
    185,418.04/278,126.52 = 67,088.92/x
  3. Step 3: Cross multiply
    185,418.04x = 278,126.52 × 67,088.92
  4. Step 4: Simplify right side
    185,418.04x = 18,659,207,850.16
  5. Step 5: Solve for x
    x = 18,659,207,850.16/185,418.04
  6. Step 6: Final answer
    x = 100,633.18

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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.