Home / 134,932.25-202,521.85-68,418.29

Finding the Fourth Proportional to 134,932.25, 202,521.85 and 68,418.29

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Solution

The fourth proportional to 134,932.25, 202,521.85 and 68,418.29 is: 102,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,932.25 : 202,521.85 = 68,418.29 : x
  2. Step 2: Convert to fraction form
    134,932.25/202,521.85 = 68,418.29/x
  3. Step 3: Cross multiply
    134,932.25x = 202,521.85 × 68,418.29
  4. Step 4: Simplify right side
    134,932.25x = 13,856,198,664.64
  5. Step 5: Solve for x
    x = 13,856,198,664.64/134,932.25
  6. Step 6: Final answer
    x = 102,690.04

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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.