Home / 187,763.97-259,112.57-102,881.04

Finding the Fourth Proportional to 187,763.97, 259,112.57 and 102,881.04

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Solution

The fourth proportional to 187,763.97, 259,112.57 and 102,881.04 is: 141,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,763.97 : 259,112.57 = 102,881.04 : x
  2. Step 2: Convert to fraction form
    187,763.97/259,112.57 = 102,881.04/x
  3. Step 3: Cross multiply
    187,763.97x = 259,112.57 × 102,881.04
  4. Step 4: Simplify right side
    187,763.97x = 26,657,769,771.30
  5. Step 5: Solve for x
    x = 26,657,769,771.30/187,763.97
  6. Step 6: Final answer
    x = 141,974.89

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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.