Home / 187,427.31-258,653.42-102,546.19

Finding the Fourth Proportional to 187,427.31, 258,653.42 and 102,546.19

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Solution

The fourth proportional to 187,427.31, 258,653.42 and 102,546.19 is: 141,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,427.31 : 258,653.42 = 102,546.19 : x
  2. Step 2: Convert to fraction form
    187,427.31/258,653.42 = 102,546.19/x
  3. Step 3: Cross multiply
    187,427.31x = 258,653.42 × 102,546.19
  4. Step 4: Simplify right side
    187,427.31x = 26,523,922,751.47
  5. Step 5: Solve for x
    x = 26,523,922,751.47/187,427.31
  6. Step 6: Final answer
    x = 141,515.78

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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.