Home / 134,921.44-202,506.62-68,408

Finding the Fourth Proportional to 134,921.44, 202,506.62 and 68,408

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Solution

The fourth proportional to 134,921.44, 202,506.62 and 68,408 is: 102,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,921.44 : 202,506.62 = 68,408 : x
  2. Step 2: Convert to fraction form
    134,921.44/202,506.62 = 68,408/x
  3. Step 3: Cross multiply
    134,921.44x = 202,506.62 × 68,408
  4. Step 4: Simplify right side
    134,921.44x = 13,853,072,860.96
  5. Step 5: Solve for x
    x = 13,853,072,860.96/134,921.44
  6. Step 6: Final answer
    x = 102,675.10

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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.