Home / 215,445.32-323,169.60-75,204.08

Finding the Fourth Proportional to 215,445.32, 323,169.60 and 75,204.08

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Solution

The fourth proportional to 215,445.32, 323,169.60 and 75,204.08 is: 112,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,445.32 : 323,169.60 = 75,204.08 : x
  2. Step 2: Convert to fraction form
    215,445.32/323,169.60 = 75,204.08/x
  3. Step 3: Cross multiply
    215,445.32x = 323,169.60 × 75,204.08
  4. Step 4: Simplify right side
    215,445.32x = 24,303,672,451.97
  5. Step 5: Solve for x
    x = 24,303,672,451.97/215,445.32
  6. Step 6: Final answer
    x = 112,806.69

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1.5x scale

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.