Home / 129,866.03-194,651.40-54,939.41

Finding the Fourth Proportional to 129,866.03, 194,651.40 and 54,939.41

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Solution

The fourth proportional to 129,866.03, 194,651.40 and 54,939.41 is: 82,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,866.03 : 194,651.40 = 54,939.41 : x
  2. Step 2: Convert to fraction form
    129,866.03/194,651.40 = 54,939.41/x
  3. Step 3: Cross multiply
    129,866.03x = 194,651.40 × 54,939.41
  4. Step 4: Simplify right side
    129,866.03x = 10,694,033,071.67
  5. Step 5: Solve for x
    x = 10,694,033,071.67/129,866.03
  6. Step 6: Final answer
    x = 82,346.65

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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.