Home / 134,654.27-185,858.66-79,511.92

Finding the Fourth Proportional to 134,654.27, 185,858.66 and 79,511.92

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Solution

The fourth proportional to 134,654.27, 185,858.66 and 79,511.92 is: 109,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,654.27 : 185,858.66 = 79,511.92 : x
  2. Step 2: Convert to fraction form
    134,654.27/185,858.66 = 79,511.92/x
  3. Step 3: Cross multiply
    134,654.27x = 185,858.66 × 79,511.92
  4. Step 4: Simplify right side
    134,654.27x = 14,777,978,489.81
  5. Step 5: Solve for x
    x = 14,777,978,489.81/134,654.27
  6. Step 6: Final answer
    x = 109,747.56

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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.