Home / 198,711.60-274,225.23-108,069.36

Finding the Fourth Proportional to 198,711.60, 274,225.23 and 108,069.36

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Solution

The fourth proportional to 198,711.60, 274,225.23 and 108,069.36 is: 149,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,711.60 : 274,225.23 = 108,069.36 : x
  2. Step 2: Convert to fraction form
    198,711.60/274,225.23 = 108,069.36/x
  3. Step 3: Cross multiply
    198,711.60x = 274,225.23 × 108,069.36
  4. Step 4: Simplify right side
    198,711.60x = 29,635,345,101.95
  5. Step 5: Solve for x
    x = 29,635,345,101.95/198,711.60
  6. Step 6: Final answer
    x = 149,137.47

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1.5x scale

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.