Home / 187,515.24-258,761.10-102,615.90

Finding the Fourth Proportional to 187,515.24, 258,761.10 and 102,615.90

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Solution

The fourth proportional to 187,515.24, 258,761.10 and 102,615.90 is: 141,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,515.24 : 258,761.10 = 102,615.90 : x
  2. Step 2: Convert to fraction form
    187,515.24/258,761.10 = 102,615.90/x
  3. Step 3: Cross multiply
    187,515.24x = 258,761.10 × 102,615.90
  4. Step 4: Simplify right side
    187,515.24x = 26,553,003,161.49
  5. Step 5: Solve for x
    x = 26,553,003,161.49/187,515.24
  6. Step 6: Final answer
    x = 141,604.51

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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.