Home / 129,867.85-194,807.85-41,128.30

Finding the Fourth Proportional to 129,867.85, 194,807.85 and 41,128.30

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Solution

The fourth proportional to 129,867.85, 194,807.85 and 41,128.30 is: 61,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,867.85 : 194,807.85 = 41,128.30 : x
  2. Step 2: Convert to fraction form
    129,867.85/194,807.85 = 41,128.30/x
  3. Step 3: Cross multiply
    129,867.85x = 194,807.85 × 41,128.30
  4. Step 4: Simplify right side
    129,867.85x = 8,012,115,697.16
  5. Step 5: Solve for x
    x = 8,012,115,697.16/129,867.85
  6. Step 6: Final answer
    x = 61,694.37

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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.