Home / 215,940.10-323,910.18-115,962.76

Finding the Fourth Proportional to 215,940.10, 323,910.18 and 115,962.76

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Solution

The fourth proportional to 215,940.10, 323,910.18 and 115,962.76 is: 173,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,940.10 : 323,910.18 = 115,962.76 : x
  2. Step 2: Convert to fraction form
    215,940.10/323,910.18 = 115,962.76/x
  3. Step 3: Cross multiply
    215,940.10x = 323,910.18 × 115,962.76
  4. Step 4: Simplify right side
    215,940.10x = 37,561,518,464.90
  5. Step 5: Solve for x
    x = 37,561,518,464.90/215,940.10
  6. Step 6: Final answer
    x = 173,944.16

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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.