Home / 198,103.21-273,315.95-113,160.13

Finding the Fourth Proportional to 198,103.21, 273,315.95 and 113,160.13

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Solution

The fourth proportional to 198,103.21, 273,315.95 and 113,160.13 is: 156,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,103.21 : 273,315.95 = 113,160.13 : x
  2. Step 2: Convert to fraction form
    198,103.21/273,315.95 = 113,160.13/x
  3. Step 3: Cross multiply
    198,103.21x = 273,315.95 × 113,160.13
  4. Step 4: Simplify right side
    198,103.21x = 30,928,467,867.27
  5. Step 5: Solve for x
    x = 30,928,467,867.27/198,103.21
  6. Step 6: Final answer
    x = 156,123.00

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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.