Home / 198,054.28-273,300.78-112,012.84

Finding the Fourth Proportional to 198,054.28, 273,300.78 and 112,012.84

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Solution

The fourth proportional to 198,054.28, 273,300.78 and 112,012.84 is: 154,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054.28 : 273,300.78 = 112,012.84 : x
  2. Step 2: Convert to fraction form
    198,054.28/273,300.78 = 112,012.84/x
  3. Step 3: Cross multiply
    198,054.28x = 273,300.78 × 112,012.84
  4. Step 4: Simplify right side
    198,054.28x = 30,613,196,542.02
  5. Step 5: Solve for x
    x = 30,613,196,542.02/198,054.28
  6. Step 6: Final answer
    x = 154,569.73

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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.