Home / 187,391.07-258,424.43-149,277.33

Finding the Fourth Proportional to 187,391.07, 258,424.43 and 149,277.33

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Solution

The fourth proportional to 187,391.07, 258,424.43 and 149,277.33 is: 205,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,391.07 : 258,424.43 = 149,277.33 : x
  2. Step 2: Convert to fraction form
    187,391.07/258,424.43 = 149,277.33/x
  3. Step 3: Cross multiply
    187,391.07x = 258,424.43 × 149,277.33
  4. Step 4: Simplify right side
    187,391.07x = 38,576,908,170.79
  5. Step 5: Solve for x
    x = 38,576,908,170.79/187,391.07
  6. Step 6: Final answer
    x = 205,863.11

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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.