Home / 198,860.34-274,433.07-108,222.15

Finding the Fourth Proportional to 198,860.34, 274,433.07 and 108,222.15

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Solution

The fourth proportional to 198,860.34, 274,433.07 and 108,222.15 is: 149,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,860.34 : 274,433.07 = 108,222.15 : x
  2. Step 2: Convert to fraction form
    198,860.34/274,433.07 = 108,222.15/x
  3. Step 3: Cross multiply
    198,860.34x = 274,433.07 × 108,222.15
  4. Step 4: Simplify right side
    198,860.34x = 29,699,736,866.50
  5. Step 5: Solve for x
    x = 29,699,736,866.50/198,860.34
  6. Step 6: Final answer
    x = 149,349.72

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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.