Home / 187,955.29-259,390.11-103,072.38

Finding the Fourth Proportional to 187,955.29, 259,390.11 and 103,072.38

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Solution

The fourth proportional to 187,955.29, 259,390.11 and 103,072.38 is: 142,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,955.29 : 259,390.11 = 103,072.38 : x
  2. Step 2: Convert to fraction form
    187,955.29/259,390.11 = 103,072.38/x
  3. Step 3: Cross multiply
    187,955.29x = 259,390.11 × 103,072.38
  4. Step 4: Simplify right side
    187,955.29x = 26,735,955,986.16
  5. Step 5: Solve for x
    x = 26,735,955,986.16/187,955.29
  6. Step 6: Final answer
    x = 142,246.36

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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.