Home / 215,375.12-323,108.76-65,627.48

Finding the Fourth Proportional to 215,375.12, 323,108.76 and 65,627.48

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Solution

The fourth proportional to 215,375.12, 323,108.76 and 65,627.48 is: 98,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,375.12 : 323,108.76 = 65,627.48 : x
  2. Step 2: Convert to fraction form
    215,375.12/323,108.76 = 65,627.48/x
  3. Step 3: Cross multiply
    215,375.12x = 323,108.76 × 65,627.48
  4. Step 4: Simplify right side
    215,375.12x = 21,204,813,684.72
  5. Step 5: Solve for x
    x = 21,204,813,684.72/215,375.12
  6. Step 6: Final answer
    x = 98,455.26

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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.