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Finding the Fourth Proportional to 187,751.25, 259,102.80 and 102,873.78

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Solution

The fourth proportional to 187,751.25, 259,102.80 and 102,873.78 is: 141,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,751.25 : 259,102.80 = 102,873.78 : x
  2. Step 2: Convert to fraction form
    187,751.25/259,102.80 = 102,873.78/x
  3. Step 3: Cross multiply
    187,751.25x = 259,102.80 × 102,873.78
  4. Step 4: Simplify right side
    187,751.25x = 26,654,884,444.58
  5. Step 5: Solve for x
    x = 26,654,884,444.58/187,751.25
  6. Step 6: Final answer
    x = 141,969.15

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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.