Home / 187,976.30-259,407.60-103,093.88

Finding the Fourth Proportional to 187,976.30, 259,407.60 and 103,093.88

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Solution

The fourth proportional to 187,976.30, 259,407.60 and 103,093.88 is: 142,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,976.30 : 259,407.60 = 103,093.88 : x
  2. Step 2: Convert to fraction form
    187,976.30/259,407.60 = 103,093.88/x
  3. Step 3: Cross multiply
    187,976.30x = 259,407.60 × 103,093.88
  4. Step 4: Simplify right side
    187,976.30x = 26,743,335,985.49
  5. Step 5: Solve for x
    x = 26,743,335,985.49/187,976.30
  6. Step 6: Final answer
    x = 142,269.72

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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.