Home / 198,124.77-273,412.19-113,243.66

Finding the Fourth Proportional to 198,124.77, 273,412.19 and 113,243.66

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Solution

The fourth proportional to 198,124.77, 273,412.19 and 113,243.66 is: 156,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,124.77 : 273,412.19 = 113,243.66 : x
  2. Step 2: Convert to fraction form
    198,124.77/273,412.19 = 113,243.66/x
  3. Step 3: Cross multiply
    198,124.77x = 273,412.19 × 113,243.66
  4. Step 4: Simplify right side
    198,124.77x = 30,962,195,150.94
  5. Step 5: Solve for x
    x = 30,962,195,150.94/198,124.77
  6. Step 6: Final answer
    x = 156,276.25

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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.