Home / 82,223.32-123,261.16-68,273

Finding the Fourth Proportional to 82,223.32, 123,261.16 and 68,273

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Solution

The fourth proportional to 82,223.32, 123,261.16 and 68,273 is: 102,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,223.32 : 123,261.16 = 68,273 : x
  2. Step 2: Convert to fraction form
    82,223.32/123,261.16 = 68,273/x
  3. Step 3: Cross multiply
    82,223.32x = 123,261.16 × 68,273
  4. Step 4: Simplify right side
    82,223.32x = 8,415,409,176.68
  5. Step 5: Solve for x
    x = 8,415,409,176.68/82,223.32
  6. Step 6: Final answer
    x = 102,348.20

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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.