Home / 187,881.30-259,286.13-103,001.94

Finding the Fourth Proportional to 187,881.30, 259,286.13 and 103,001.94

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Solution

The fourth proportional to 187,881.30, 259,286.13 and 103,001.94 is: 142,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,881.30 : 259,286.13 = 103,001.94 : x
  2. Step 2: Convert to fraction form
    187,881.30/259,286.13 = 103,001.94/x
  3. Step 3: Cross multiply
    187,881.30x = 259,286.13 × 103,001.94
  4. Step 4: Simplify right side
    187,881.30x = 26,706,974,405.09
  5. Step 5: Solve for x
    x = 26,706,974,405.09/187,881.30
  6. Step 6: Final answer
    x = 142,148.12

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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.