Home / 198,264.96-273,656.16-113,408.64

Finding the Fourth Proportional to 198,264.96, 273,656.16 and 113,408.64

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Solution

The fourth proportional to 198,264.96, 273,656.16 and 113,408.64 is: 156,532.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,264.96 : 273,656.16 = 113,408.64 : x
  2. Step 2: Convert to fraction form
    198,264.96/273,656.16 = 113,408.64/x
  3. Step 3: Cross multiply
    198,264.96x = 273,656.16 × 113,408.64
  4. Step 4: Simplify right side
    198,264.96x = 31,034,972,933.22
  5. Step 5: Solve for x
    x = 31,034,972,933.22/198,264.96
  6. Step 6: Final answer
    x = 156,532.82

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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.