Home / 137,277.47-206,049.36-66,250.09

Finding the Fourth Proportional to 137,277.47, 206,049.36 and 66,250.09

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Solution

The fourth proportional to 137,277.47, 206,049.36 and 66,250.09 is: 99,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,277.47 : 206,049.36 = 66,250.09 : x
  2. Step 2: Convert to fraction form
    137,277.47/206,049.36 = 66,250.09/x
  3. Step 3: Cross multiply
    137,277.47x = 206,049.36 × 66,250.09
  4. Step 4: Simplify right side
    137,277.47x = 13,650,788,644.44
  5. Step 5: Solve for x
    x = 13,650,788,644.44/137,277.47
  6. Step 6: Final answer
    x = 99,439.40

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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.