Home / 198,098.40-273,389.37-112,057.47

Finding the Fourth Proportional to 198,098.40, 273,389.37 and 112,057.47

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Solution

The fourth proportional to 198,098.40, 273,389.37 and 112,057.47 is: 154,646.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,098.40 : 273,389.37 = 112,057.47 : x
  2. Step 2: Convert to fraction form
    198,098.40/273,389.37 = 112,057.47/x
  3. Step 3: Cross multiply
    198,098.40x = 273,389.37 × 112,057.47
  4. Step 4: Simplify right side
    198,098.40x = 30,635,321,127.09
  5. Step 5: Solve for x
    x = 30,635,321,127.09/198,098.40
  6. Step 6: Final answer
    x = 154,646.99

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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.