Home / 198,059.23-273,321.89-107,415.17

Finding the Fourth Proportional to 198,059.23, 273,321.89 and 107,415.17

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Solution

The fourth proportional to 198,059.23, 273,321.89 and 107,415.17 is: 148,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,059.23 : 273,321.89 = 107,415.17 : x
  2. Step 2: Convert to fraction form
    198,059.23/273,321.89 = 107,415.17/x
  3. Step 3: Cross multiply
    198,059.23x = 273,321.89 × 107,415.17
  4. Step 4: Simplify right side
    198,059.23x = 29,358,917,279.07
  5. Step 5: Solve for x
    x = 29,358,917,279.07/198,059.23
  6. Step 6: Final answer
    x = 148,233.02

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1.5x scale

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.