Home / 187,087.68-258,167.52-102,186.72

Finding the Fourth Proportional to 187,087.68, 258,167.52 and 102,186.72

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Solution

The fourth proportional to 187,087.68, 258,167.52 and 102,186.72 is: 141,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,087.68 : 258,167.52 = 102,186.72 : x
  2. Step 2: Convert to fraction form
    187,087.68/258,167.52 = 102,186.72/x
  3. Step 3: Cross multiply
    187,087.68x = 258,167.52 × 102,186.72
  4. Step 4: Simplify right side
    187,087.68x = 26,381,292,079.33
  5. Step 5: Solve for x
    x = 26,381,292,079.33/187,087.68
  6. Step 6: Final answer
    x = 141,010.31

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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.