Home / 198,319.24-273,628.02-113,419.72

Finding the Fourth Proportional to 198,319.24, 273,628.02 and 113,419.72

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Solution

The fourth proportional to 198,319.24, 273,628.02 and 113,419.72 is: 156,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,319.24 : 273,628.02 = 113,419.72 : x
  2. Step 2: Convert to fraction form
    198,319.24/273,628.02 = 113,419.72/x
  3. Step 3: Cross multiply
    198,319.24x = 273,628.02 × 113,419.72
  4. Step 4: Simplify right side
    198,319.24x = 31,034,813,412.55
  5. Step 5: Solve for x
    x = 31,034,813,412.55/198,319.24
  6. Step 6: Final answer
    x = 156,489.17

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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.