Home / 137,839.72-206,628.36-44,279.88

Finding the Fourth Proportional to 137,839.72, 206,628.36 and 44,279.88

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Solution

The fourth proportional to 137,839.72, 206,628.36 and 44,279.88 is: 66,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,839.72 : 206,628.36 = 44,279.88 : x
  2. Step 2: Convert to fraction form
    137,839.72/206,628.36 = 44,279.88/x
  3. Step 3: Cross multiply
    137,839.72x = 206,628.36 × 44,279.88
  4. Step 4: Simplify right side
    137,839.72x = 9,149,478,985.40
  5. Step 5: Solve for x
    x = 9,149,478,985.40/137,839.72
  6. Step 6: Final answer
    x = 66,377.67

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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.