Home / 198,834.36-298,251.54-72,484.08

Finding the Fourth Proportional to 198,834.36, 298,251.54 and 72,484.08

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Solution

The fourth proportional to 198,834.36, 298,251.54 and 72,484.08 is: 108,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,834.36 : 298,251.54 = 72,484.08 : x
  2. Step 2: Convert to fraction form
    198,834.36/298,251.54 = 72,484.08/x
  3. Step 3: Cross multiply
    198,834.36x = 298,251.54 × 72,484.08
  4. Step 4: Simplify right side
    198,834.36x = 21,618,488,485.48
  5. Step 5: Solve for x
    x = 21,618,488,485.48/198,834.36
  6. Step 6: Final answer
    x = 108,726.12

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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.