Home / 129,652.42-194,499.40-54,773.26

Finding the Fourth Proportional to 129,652.42, 194,499.40 and 54,773.26

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Solution

The fourth proportional to 129,652.42, 194,499.40 and 54,773.26 is: 82,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,652.42 : 194,499.40 = 54,773.26 : x
  2. Step 2: Convert to fraction form
    129,652.42/194,499.40 = 54,773.26/x
  3. Step 3: Cross multiply
    129,652.42x = 194,499.40 × 54,773.26
  4. Step 4: Simplify right side
    129,652.42x = 10,653,366,933.67
  5. Step 5: Solve for x
    x = 10,653,366,933.67/129,652.42
  6. Step 6: Final answer
    x = 82,168.67

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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.