Home / 198,848.13-274,364.95-112,786.54

Finding the Fourth Proportional to 198,848.13, 274,364.95 and 112,786.54

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Solution

The fourth proportional to 198,848.13, 274,364.95 and 112,786.54 is: 155,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,848.13 : 274,364.95 = 112,786.54 : x
  2. Step 2: Convert to fraction form
    198,848.13/274,364.95 = 112,786.54/x
  3. Step 3: Cross multiply
    198,848.13x = 274,364.95 × 112,786.54
  4. Step 4: Simplify right side
    198,848.13x = 30,944,673,407.77
  5. Step 5: Solve for x
    x = 30,944,673,407.77/198,848.13
  6. Step 6: Final answer
    x = 155,619.63

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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.