Home / 68,864.20-103,197.82-39,220.84

Finding the Fourth Proportional to 68,864.20, 103,197.82 and 39,220.84

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Solution

The fourth proportional to 68,864.20, 103,197.82 and 39,220.84 is: 58,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864.20 : 103,197.82 = 39,220.84 : x
  2. Step 2: Convert to fraction form
    68,864.20/103,197.82 = 39,220.84/x
  3. Step 3: Cross multiply
    68,864.20x = 103,197.82 × 39,220.84
  4. Step 4: Simplify right side
    68,864.20x = 4,047,505,186.57
  5. Step 5: Solve for x
    x = 4,047,505,186.57/68,864.20
  6. Step 6: Final answer
    x = 58,775.17

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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.