Home / 198,575.07-274,035.42-107,931.24

Finding the Fourth Proportional to 198,575.07, 274,035.42 and 107,931.24

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Solution

The fourth proportional to 198,575.07, 274,035.42 and 107,931.24 is: 148,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,575.07 : 274,035.42 = 107,931.24 : x
  2. Step 2: Convert to fraction form
    198,575.07/274,035.42 = 107,931.24/x
  3. Step 3: Cross multiply
    198,575.07x = 274,035.42 × 107,931.24
  4. Step 4: Simplify right side
    198,575.07x = 29,576,982,684.52
  5. Step 5: Solve for x
    x = 29,576,982,684.52/198,575.07
  6. Step 6: Final answer
    x = 148,946.10

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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.