Home / 137,682.33-206,331.27-74,365.94

Finding the Fourth Proportional to 137,682.33, 206,331.27 and 74,365.94

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Solution

The fourth proportional to 137,682.33, 206,331.27 and 74,365.94 is: 111,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,682.33 : 206,331.27 = 74,365.94 : x
  2. Step 2: Convert to fraction form
    137,682.33/206,331.27 = 74,365.94/x
  3. Step 3: Cross multiply
    137,682.33x = 206,331.27 × 74,365.94
  4. Step 4: Simplify right side
    137,682.33x = 15,344,019,081.90
  5. Step 5: Solve for x
    x = 15,344,019,081.90/137,682.33
  6. Step 6: Final answer
    x = 111,445.09

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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.