Home / 198,208.64-273,528.66-107,564.60

Finding the Fourth Proportional to 198,208.64, 273,528.66 and 107,564.60

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Solution

The fourth proportional to 198,208.64, 273,528.66 and 107,564.60 is: 148,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,208.64 : 273,528.66 = 107,564.60 : x
  2. Step 2: Convert to fraction form
    198,208.64/273,528.66 = 107,564.60/x
  3. Step 3: Cross multiply
    198,208.64x = 273,528.66 × 107,564.60
  4. Step 4: Simplify right side
    198,208.64x = 29,422,000,901.44
  5. Step 5: Solve for x
    x = 29,422,000,901.44/198,208.64
  6. Step 6: Final answer
    x = 148,439.55

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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.