Home / 149,489.02-207,185.34-146,689.66

Finding the Fourth Proportional to 149,489.02, 207,185.34 and 146,689.66

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Solution

The fourth proportional to 149,489.02, 207,185.34 and 146,689.66 is: 203,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,489.02 : 207,185.34 = 146,689.66 : x
  2. Step 2: Convert to fraction form
    149,489.02/207,185.34 = 146,689.66/x
  3. Step 3: Cross multiply
    149,489.02x = 207,185.34 × 146,689.66
  4. Step 4: Simplify right side
    149,489.02x = 30,391,945,862.30
  5. Step 5: Solve for x
    x = 30,391,945,862.30/149,489.02
  6. Step 6: Final answer
    x = 203,305.55

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.