Home / 198,439.32-273,851.16-113,583.72

Finding the Fourth Proportional to 198,439.32, 273,851.16 and 113,583.72

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Solution

The fourth proportional to 198,439.32, 273,851.16 and 113,583.72 is: 156,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,439.32 : 273,851.16 = 113,583.72 : x
  2. Step 2: Convert to fraction form
    198,439.32/273,851.16 = 113,583.72/x
  3. Step 3: Cross multiply
    198,439.32x = 273,851.16 × 113,583.72
  4. Step 4: Simplify right side
    198,439.32x = 31,105,033,479.12
  5. Step 5: Solve for x
    x = 31,105,033,479.12/198,439.32
  6. Step 6: Final answer
    x = 156,748.34

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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.