Home / 198,218.64-273,474.72-113,275.20

Finding the Fourth Proportional to 198,218.64, 273,474.72 and 113,275.20

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Solution

The fourth proportional to 198,218.64, 273,474.72 and 113,275.20 is: 156,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,218.64 : 273,474.72 = 113,275.20 : x
  2. Step 2: Convert to fraction form
    198,218.64/273,474.72 = 113,275.20/x
  3. Step 3: Cross multiply
    198,218.64x = 273,474.72 × 113,275.20
  4. Step 4: Simplify right side
    198,218.64x = 30,977,903,602.94
  5. Step 5: Solve for x
    x = 30,977,903,602.94/198,218.64
  6. Step 6: Final answer
    x = 156,281.49

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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.