Home / 198,537.66-273,995.82-112,495.86

Finding the Fourth Proportional to 198,537.66, 273,995.82 and 112,495.86

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Solution

The fourth proportional to 198,537.66, 273,995.82 and 112,495.86 is: 155,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,537.66 : 273,995.82 = 112,495.86 : x
  2. Step 2: Convert to fraction form
    198,537.66/273,995.82 = 112,495.86/x
  3. Step 3: Cross multiply
    198,537.66x = 273,995.82 × 112,495.86
  4. Step 4: Simplify right side
    198,537.66x = 30,823,395,407.31
  5. Step 5: Solve for x
    x = 30,823,395,407.31/198,537.66
  6. Step 6: Final answer
    x = 155,252.13

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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.