Home / 102,432-141,395.04-68,917.44

Finding the Fourth Proportional to 102,432, 141,395.04 and 68,917.44

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Solution

The fourth proportional to 102,432, 141,395.04 and 68,917.44 is: 95,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,432 : 141,395.04 = 68,917.44 : x
  2. Step 2: Convert to fraction form
    102,432/141,395.04 = 68,917.44/x
  3. Step 3: Cross multiply
    102,432x = 141,395.04 × 68,917.44
  4. Step 4: Simplify right side
    102,432x = 9,744,584,185.50
  5. Step 5: Solve for x
    x = 9,744,584,185.50/102,432
  6. Step 6: Final answer
    x = 95,132.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.