Home / 198,848.25-274,365.11-112,786.67

Finding the Fourth Proportional to 198,848.25, 274,365.11 and 112,786.67

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Solution

The fourth proportional to 198,848.25, 274,365.11 and 112,786.67 is: 155,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,848.25 : 274,365.11 = 112,786.67 : x
  2. Step 2: Convert to fraction form
    198,848.25/274,365.11 = 112,786.67/x
  3. Step 3: Cross multiply
    198,848.25x = 274,365.11 × 112,786.67
  4. Step 4: Simplify right side
    198,848.25x = 30,944,728,088.96
  5. Step 5: Solve for x
    x = 30,944,728,088.96/198,848.25
  6. Step 6: Final answer
    x = 155,619.82

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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.