Home / 185,659.92-278,495.28-45,418.50

Finding the Fourth Proportional to 185,659.92, 278,495.28 and 45,418.50

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Solution

The fourth proportional to 185,659.92, 278,495.28 and 45,418.50 is: 68,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,659.92 : 278,495.28 = 45,418.50 : x
  2. Step 2: Convert to fraction form
    185,659.92/278,495.28 = 45,418.50/x
  3. Step 3: Cross multiply
    185,659.92x = 278,495.28 × 45,418.50
  4. Step 4: Simplify right side
    185,659.92x = 12,648,837,874.68
  5. Step 5: Solve for x
    x = 12,648,837,874.68/185,659.92
  6. Step 6: Final answer
    x = 68,129.07

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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.