Home / 215,850.20-323,775.30-68,106.20

Finding the Fourth Proportional to 215,850.20, 323,775.30 and 68,106.20

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Solution

The fourth proportional to 215,850.20, 323,775.30 and 68,106.20 is: 102,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,850.20 : 323,775.30 = 68,106.20 : x
  2. Step 2: Convert to fraction form
    215,850.20/323,775.30 = 68,106.20/x
  3. Step 3: Cross multiply
    215,850.20x = 323,775.30 × 68,106.20
  4. Step 4: Simplify right side
    215,850.20x = 22,051,105,336.86
  5. Step 5: Solve for x
    x = 22,051,105,336.86/215,850.20
  6. Step 6: Final answer
    x = 102,159.30

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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.