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Finding the Fourth Proportional to 187,841.80, 259,221.09 and 101,803.29

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Solution

The fourth proportional to 187,841.80, 259,221.09 and 101,803.29 is: 140,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,841.80 : 259,221.09 = 101,803.29 : x
  2. Step 2: Convert to fraction form
    187,841.80/259,221.09 = 101,803.29/x
  3. Step 3: Cross multiply
    187,841.80x = 259,221.09 × 101,803.29
  4. Step 4: Simplify right side
    187,841.80x = 26,389,559,799.39
  5. Step 5: Solve for x
    x = 26,389,559,799.39/187,841.80
  6. Step 6: Final answer
    x = 140,488.22

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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.