Home / 68,435.25-102,717.48-35,178.66

Finding the Fourth Proportional to 68,435.25, 102,717.48 and 35,178.66

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Solution

The fourth proportional to 68,435.25, 102,717.48 and 35,178.66 is: 52,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,435.25 : 102,717.48 = 35,178.66 : x
  2. Step 2: Convert to fraction form
    68,435.25/102,717.48 = 35,178.66/x
  3. Step 3: Cross multiply
    68,435.25x = 102,717.48 × 35,178.66
  4. Step 4: Simplify right side
    68,435.25x = 3,613,463,304.98
  5. Step 5: Solve for x
    x = 3,613,463,304.98/68,435.25
  6. Step 6: Final answer
    x = 52,801.20

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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.