Home / 137,786.20-206,708.10-44,301.40

Finding the Fourth Proportional to 137,786.20, 206,708.10 and 44,301.40

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Solution

The fourth proportional to 137,786.20, 206,708.10 and 44,301.40 is: 66,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,786.20 : 206,708.10 = 44,301.40 : x
  2. Step 2: Convert to fraction form
    137,786.20/206,708.10 = 44,301.40/x
  3. Step 3: Cross multiply
    137,786.20x = 206,708.10 × 44,301.40
  4. Step 4: Simplify right side
    137,786.20x = 9,157,458,221.34
  5. Step 5: Solve for x
    x = 9,157,458,221.34/137,786.20
  6. Step 6: Final answer
    x = 66,461.36

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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.