Home / 134,922.44-202,508.12-68,409

Finding the Fourth Proportional to 134,922.44, 202,508.12 and 68,409

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Solution

The fourth proportional to 134,922.44, 202,508.12 and 68,409 is: 102,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,922.44 : 202,508.12 = 68,409 : x
  2. Step 2: Convert to fraction form
    134,922.44/202,508.12 = 68,409/x
  3. Step 3: Cross multiply
    134,922.44x = 202,508.12 × 68,409
  4. Step 4: Simplify right side
    134,922.44x = 13,853,377,981.08
  5. Step 5: Solve for x
    x = 13,853,377,981.08/134,922.44
  6. Step 6: Final answer
    x = 102,676.60

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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.