Home / 198,767.45-274,306.40-113,900.92

Finding the Fourth Proportional to 198,767.45, 274,306.40 and 113,900.92

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Solution

The fourth proportional to 198,767.45, 274,306.40 and 113,900.92 is: 157,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,767.45 : 274,306.40 = 113,900.92 : x
  2. Step 2: Convert to fraction form
    198,767.45/274,306.40 = 113,900.92/x
  3. Step 3: Cross multiply
    198,767.45x = 274,306.40 × 113,900.92
  4. Step 4: Simplify right side
    198,767.45x = 31,243,750,493.75
  5. Step 5: Solve for x
    x = 31,243,750,493.75/198,767.45
  6. Step 6: Final answer
    x = 157,187.46

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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.