Home / 187,124.89-258,229.33-102,240.13

Finding the Fourth Proportional to 187,124.89, 258,229.33 and 102,240.13

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Solution

The fourth proportional to 187,124.89, 258,229.33 and 102,240.13 is: 141,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,124.89 : 258,229.33 = 102,240.13 : x
  2. Step 2: Convert to fraction form
    187,124.89/258,229.33 = 102,240.13/x
  3. Step 3: Cross multiply
    187,124.89x = 258,229.33 × 102,240.13
  4. Step 4: Simplify right side
    187,124.89x = 26,401,400,269.01
  5. Step 5: Solve for x
    x = 26,401,400,269.01/187,124.89
  6. Step 6: Final answer
    x = 141,089.73

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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.