Home / 215,445.56-323,315.91-75,204.18

Finding the Fourth Proportional to 215,445.56, 323,315.91 and 75,204.18

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Solution

The fourth proportional to 215,445.56, 323,315.91 and 75,204.18 is: 112,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,445.56 : 323,315.91 = 75,204.18 : x
  2. Step 2: Convert to fraction form
    215,445.56/323,315.91 = 75,204.18/x
  3. Step 3: Cross multiply
    215,445.56x = 323,315.91 × 75,204.18
  4. Step 4: Simplify right side
    215,445.56x = 24,314,707,892.50
  5. Step 5: Solve for x
    x = 24,314,707,892.50/215,445.56
  6. Step 6: Final answer
    x = 112,857.78

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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.