Home / 198,505.13-273,937.07-109,081.13

Finding the Fourth Proportional to 198,505.13, 273,937.07 and 109,081.13

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Solution

The fourth proportional to 198,505.13, 273,937.07 and 109,081.13 is: 150,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,505.13 : 273,937.07 = 109,081.13 : x
  2. Step 2: Convert to fraction form
    198,505.13/273,937.07 = 109,081.13/x
  3. Step 3: Cross multiply
    198,505.13x = 273,937.07 × 109,081.13
  4. Step 4: Simplify right side
    198,505.13x = 29,881,364,047.51
  5. Step 5: Solve for x
    x = 29,881,364,047.51/198,505.13
  6. Step 6: Final answer
    x = 150,531.95

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