Home / 138,705.31-208,058.50-33,524.11

Finding the Fourth Proportional to 138,705.31, 208,058.50 and 33,524.11

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Solution

The fourth proportional to 138,705.31, 208,058.50 and 33,524.11 is: 50,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,705.31 : 208,058.50 = 33,524.11 : x
  2. Step 2: Convert to fraction form
    138,705.31/208,058.50 = 33,524.11/x
  3. Step 3: Cross multiply
    138,705.31x = 208,058.50 × 33,524.11
  4. Step 4: Simplify right side
    138,705.31x = 6,974,975,000.14
  5. Step 5: Solve for x
    x = 6,974,975,000.14/138,705.31
  6. Step 6: Final answer
    x = 50,286.29

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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.