Home / 185,730.08-278,591.87-45,489.92

Finding the Fourth Proportional to 185,730.08, 278,591.87 and 45,489.92

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Solution

The fourth proportional to 185,730.08, 278,591.87 and 45,489.92 is: 68,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,730.08 : 278,591.87 = 45,489.92 : x
  2. Step 2: Convert to fraction form
    185,730.08/278,591.87 = 45,489.92/x
  3. Step 3: Cross multiply
    185,730.08x = 278,591.87 × 45,489.92
  4. Step 4: Simplify right side
    185,730.08x = 12,673,120,599.72
  5. Step 5: Solve for x
    x = 12,673,120,599.72/185,730.08
  6. Step 6: Final answer
    x = 68,234.08

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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.