Home / 215,700.96-323,552.22-65,940.68

Finding the Fourth Proportional to 215,700.96, 323,552.22 and 65,940.68

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Solution

The fourth proportional to 215,700.96, 323,552.22 and 65,940.68 is: 98,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,700.96 : 323,552.22 = 65,940.68 : x
  2. Step 2: Convert to fraction form
    215,700.96/323,552.22 = 65,940.68/x
  3. Step 3: Cross multiply
    215,700.96x = 323,552.22 × 65,940.68
  4. Step 4: Simplify right side
    215,700.96x = 21,335,253,402.31
  5. Step 5: Solve for x
    x = 21,335,253,402.31/215,700.96
  6. Step 6: Final answer
    x = 98,911.26

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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.