Home / 198,218.51-273,537.63-112,175.88

Finding the Fourth Proportional to 198,218.51, 273,537.63 and 112,175.88

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Solution

The fourth proportional to 198,218.51, 273,537.63 and 112,175.88 is: 154,800.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,218.51 : 273,537.63 = 112,175.88 : x
  2. Step 2: Convert to fraction form
    198,218.51/273,537.63 = 112,175.88/x
  3. Step 3: Cross multiply
    198,218.51x = 273,537.63 × 112,175.88
  4. Step 4: Simplify right side
    198,218.51x = 30,684,324,358.36
  5. Step 5: Solve for x
    x = 30,684,324,358.36/198,218.51
  6. Step 6: Final answer
    x = 154,800.50

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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.