Home / 198,935.64-274,589.16-130,035.12

Finding the Fourth Proportional to 198,935.64, 274,589.16 and 130,035.12

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Solution

The fourth proportional to 198,935.64, 274,589.16 and 130,035.12 is: 179,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,935.64 : 274,589.16 = 130,035.12 : x
  2. Step 2: Convert to fraction form
    198,935.64/274,589.16 = 130,035.12/x
  3. Step 3: Cross multiply
    198,935.64x = 274,589.16 × 130,035.12
  4. Step 4: Simplify right side
    198,935.64x = 35,706,234,371.30
  5. Step 5: Solve for x
    x = 35,706,234,371.30/198,935.64
  6. Step 6: Final answer
    x = 179,486.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.