Home / 129,559.51-194,365.38-54,679.73

Finding the Fourth Proportional to 129,559.51, 194,365.38 and 54,679.73

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Solution

The fourth proportional to 129,559.51, 194,365.38 and 54,679.73 is: 82,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,559.51 : 194,365.38 = 54,679.73 : x
  2. Step 2: Convert to fraction form
    129,559.51/194,365.38 = 54,679.73/x
  3. Step 3: Cross multiply
    129,559.51x = 194,365.38 × 54,679.73
  4. Step 4: Simplify right side
    129,559.51x = 10,627,846,499.75
  5. Step 5: Solve for x
    x = 10,627,846,499.75/129,559.51
  6. Step 6: Final answer
    x = 82,030.62

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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.