Home / 198,405.76-273,801.96-107,762.60

Finding the Fourth Proportional to 198,405.76, 273,801.96 and 107,762.60

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Solution

The fourth proportional to 198,405.76, 273,801.96 and 107,762.60 is: 148,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,405.76 : 273,801.96 = 107,762.60 : x
  2. Step 2: Convert to fraction form
    198,405.76/273,801.96 = 107,762.60/x
  3. Step 3: Cross multiply
    198,405.76x = 273,801.96 × 107,762.60
  4. Step 4: Simplify right side
    198,405.76x = 29,505,611,094.70
  5. Step 5: Solve for x
    x = 29,505,611,094.70/198,405.76
  6. Step 6: Final answer
    x = 148,713.48

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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.