Home / 187,604.07-258,893.64-102,721.17

Finding the Fourth Proportional to 187,604.07, 258,893.64 and 102,721.17

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Solution

The fourth proportional to 187,604.07, 258,893.64 and 102,721.17 is: 141,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,604.07 : 258,893.64 = 102,721.17 : x
  2. Step 2: Convert to fraction form
    187,604.07/258,893.64 = 102,721.17/x
  3. Step 3: Cross multiply
    187,604.07x = 258,893.64 × 102,721.17
  4. Step 4: Simplify right side
    187,604.07x = 26,593,857,606.36
  5. Step 5: Solve for x
    x = 26,593,857,606.36/187,604.07
  6. Step 6: Final answer
    x = 141,755.23

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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.