Home / 198,789.14-298,110.53-65,630.00

Finding the Fourth Proportional to 198,789.14, 298,110.53 and 65,630.00

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Solution

The fourth proportional to 198,789.14, 298,110.53 and 65,630.00 is: 98,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,789.14 : 298,110.53 = 65,630.00 : x
  2. Step 2: Convert to fraction form
    198,789.14/298,110.53 = 65,630.00/x
  3. Step 3: Cross multiply
    198,789.14x = 298,110.53 × 65,630.00
  4. Step 4: Simplify right side
    198,789.14x = 19,564,992,265.20
  5. Step 5: Solve for x
    x = 19,564,992,265.20/198,789.14
  6. Step 6: Final answer
    x = 98,420.83

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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.