Home / 149,489.39-207,185.86-146,690.03

Finding the Fourth Proportional to 149,489.39, 207,185.86 and 146,690.03

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Solution

The fourth proportional to 149,489.39, 207,185.86 and 146,690.03 is: 203,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,489.39 : 207,185.86 = 146,690.03 : x
  2. Step 2: Convert to fraction form
    149,489.39/207,185.86 = 146,690.03/x
  3. Step 3: Cross multiply
    149,489.39x = 207,185.86 × 146,690.03
  4. Step 4: Simplify right side
    149,489.39x = 30,392,100,018.98
  5. Step 5: Solve for x
    x = 30,392,100,018.98/149,489.39
  6. Step 6: Final answer
    x = 203,306.07

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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.