Home / 198,811.47-298,404.03-104,109.60

Finding the Fourth Proportional to 198,811.47, 298,404.03 and 104,109.60

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Solution

The fourth proportional to 198,811.47, 298,404.03 and 104,109.60 is: 156,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,811.47 : 298,404.03 = 104,109.60 : x
  2. Step 2: Convert to fraction form
    198,811.47/298,404.03 = 104,109.60/x
  3. Step 3: Cross multiply
    198,811.47x = 298,404.03 × 104,109.60
  4. Step 4: Simplify right side
    198,811.47x = 31,066,724,201.69
  5. Step 5: Solve for x
    x = 31,066,724,201.69/198,811.47
  6. Step 6: Final answer
    x = 156,262.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.