Home / 83,469.32-115,151.46-55,214.44

Finding the Fourth Proportional to 83,469.32, 115,151.46 and 55,214.44

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Solution

The fourth proportional to 83,469.32, 115,151.46 and 55,214.44 is: 76,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,469.32 : 115,151.46 = 55,214.44 : x
  2. Step 2: Convert to fraction form
    83,469.32/115,151.46 = 55,214.44/x
  3. Step 3: Cross multiply
    83,469.32x = 115,151.46 × 55,214.44
  4. Step 4: Simplify right side
    83,469.32x = 6,358,023,379.08
  5. Step 5: Solve for x
    x = 6,358,023,379.08/83,469.32
  6. Step 6: Final answer
    x = 76,171.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.