Home / 187,127.89-258,233.46-102,243.13

Finding the Fourth Proportional to 187,127.89, 258,233.46 and 102,243.13

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Solution

The fourth proportional to 187,127.89, 258,233.46 and 102,243.13 is: 141,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,127.89 : 258,233.46 = 102,243.13 : x
  2. Step 2: Convert to fraction form
    187,127.89/258,233.46 = 102,243.13/x
  3. Step 3: Cross multiply
    187,127.89x = 258,233.46 × 102,243.13
  4. Step 4: Simplify right side
    187,127.89x = 26,402,597,221.13
  5. Step 5: Solve for x
    x = 26,402,597,221.13/187,127.89
  6. Step 6: Final answer
    x = 141,093.86

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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.