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Finding the Fourth Proportional to 132,729.84, 199,172.52 and 95,249.52

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Solution

The fourth proportional to 132,729.84, 199,172.52 and 95,249.52 is: 142,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,729.84 : 199,172.52 = 95,249.52 : x
  2. Step 2: Convert to fraction form
    132,729.84/199,172.52 = 95,249.52/x
  3. Step 3: Cross multiply
    132,729.84x = 199,172.52 × 95,249.52
  4. Step 4: Simplify right side
    132,729.84x = 18,971,086,927.19
  5. Step 5: Solve for x
    x = 18,971,086,927.19/132,729.84
  6. Step 6: Final answer
    x = 142,930.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.