Home / 258,016.56-356,115.25-149,125.53

Finding the Fourth Proportional to 258,016.56, 356,115.25 and 149,125.53

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Solution

The fourth proportional to 258,016.56, 356,115.25 and 149,125.53 is: 205,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,016.56 : 356,115.25 = 149,125.53 : x
  2. Step 2: Convert to fraction form
    258,016.56/356,115.25 = 149,125.53/x
  3. Step 3: Cross multiply
    258,016.56x = 356,115.25 × 149,125.53
  4. Step 4: Simplify right side
    258,016.56x = 53,105,873,243.94
  5. Step 5: Solve for x
    x = 53,105,873,243.94/258,016.56
  6. Step 6: Final answer
    x = 205,823.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.