Home / 198,035.42-273,288.95-107,391.36

Finding the Fourth Proportional to 198,035.42, 273,288.95 and 107,391.36

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Solution

The fourth proportional to 198,035.42, 273,288.95 and 107,391.36 is: 148,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,035.42 : 273,288.95 = 107,391.36 : x
  2. Step 2: Convert to fraction form
    198,035.42/273,288.95 = 107,391.36/x
  3. Step 3: Cross multiply
    198,035.42x = 273,288.95 × 107,391.36
  4. Step 4: Simplify right side
    198,035.42x = 29,348,871,940.34
  5. Step 5: Solve for x
    x = 29,348,871,940.34/198,035.42
  6. Step 6: Final answer
    x = 148,200.12

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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.