Home / 68,142.03-102,233.97-34,885.43

Finding the Fourth Proportional to 68,142.03, 102,233.97 and 34,885.43

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Solution

The fourth proportional to 68,142.03, 102,233.97 and 34,885.43 is: 52,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142.03 : 102,233.97 = 34,885.43 : x
  2. Step 2: Convert to fraction form
    68,142.03/102,233.97 = 34,885.43/x
  3. Step 3: Cross multiply
    68,142.03x = 102,233.97 × 34,885.43
  4. Step 4: Simplify right side
    68,142.03x = 3,566,476,549.45
  5. Step 5: Solve for x
    x = 3,566,476,549.45/68,142.03
  6. Step 6: Final answer
    x = 52,338.87

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1.5x scale

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.