Home / 149,489.89-207,186.55-146,690.53

Finding the Fourth Proportional to 149,489.89, 207,186.55 and 146,690.53

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Solution

The fourth proportional to 149,489.89, 207,186.55 and 146,690.53 is: 203,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,489.89 : 207,186.55 = 146,690.53 : x
  2. Step 2: Convert to fraction form
    149,489.89/207,186.55 = 146,690.53/x
  3. Step 3: Cross multiply
    149,489.89x = 207,186.55 × 146,690.53
  4. Step 4: Simplify right side
    149,489.89x = 30,392,304,828.37
  5. Step 5: Solve for x
    x = 30,392,304,828.37/149,489.89
  6. Step 6: Final answer
    x = 203,306.76

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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.