Home / 187,625.56-258,914.34-102,743.08

Finding the Fourth Proportional to 187,625.56, 258,914.34 and 102,743.08

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Solution

The fourth proportional to 187,625.56, 258,914.34 and 102,743.08 is: 141,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,625.56 : 258,914.34 = 102,743.08 : x
  2. Step 2: Convert to fraction form
    187,625.56/258,914.34 = 102,743.08/x
  3. Step 3: Cross multiply
    187,625.56x = 258,914.34 × 102,743.08
  4. Step 4: Simplify right side
    187,625.56x = 26,601,656,747.77
  5. Step 5: Solve for x
    x = 26,601,656,747.77/187,625.56
  6. Step 6: Final answer
    x = 141,780.56

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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.