Home / 130,883.08-196,382.94-68,539

Finding the Fourth Proportional to 130,883.08, 196,382.94 and 68,539

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Solution

The fourth proportional to 130,883.08, 196,382.94 and 68,539 is: 102,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,883.08 : 196,382.94 = 68,539 : x
  2. Step 2: Convert to fraction form
    130,883.08/196,382.94 = 68,539/x
  3. Step 3: Cross multiply
    130,883.08x = 196,382.94 × 68,539
  4. Step 4: Simplify right side
    130,883.08x = 13,459,890,324.66
  5. Step 5: Solve for x
    x = 13,459,890,324.66/130,883.08
  6. Step 6: Final answer
    x = 102,839.04

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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.