Home / 187,126.66-258,231.75-102,241.90

Finding the Fourth Proportional to 187,126.66, 258,231.75 and 102,241.90

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Solution

The fourth proportional to 187,126.66, 258,231.75 and 102,241.90 is: 141,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,126.66 : 258,231.75 = 102,241.90 : x
  2. Step 2: Convert to fraction form
    187,126.66/258,231.75 = 102,241.90/x
  3. Step 3: Cross multiply
    187,126.66x = 258,231.75 × 102,241.90
  4. Step 4: Simplify right side
    187,126.66x = 26,402,104,760.33
  5. Step 5: Solve for x
    x = 26,402,104,760.33/187,126.66
  6. Step 6: Final answer
    x = 141,092.16

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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.