Home / 198,588.14-274,040.24-107,943.36

Finding the Fourth Proportional to 198,588.14, 274,040.24 and 107,943.36

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Solution

The fourth proportional to 198,588.14, 274,040.24 and 107,943.36 is: 148,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,588.14 : 274,040.24 = 107,943.36 : x
  2. Step 2: Convert to fraction form
    198,588.14/274,040.24 = 107,943.36/x
  3. Step 3: Cross multiply
    198,588.14x = 274,040.24 × 107,943.36
  4. Step 4: Simplify right side
    198,588.14x = 29,580,824,280.81
  5. Step 5: Solve for x
    x = 29,580,824,280.81/198,588.14
  6. Step 6: Final answer
    x = 148,955.64

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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.