Home / 198,085.50-273,358.44-113,202.36

Finding the Fourth Proportional to 198,085.50, 273,358.44 and 113,202.36

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Solution

The fourth proportional to 198,085.50, 273,358.44 and 113,202.36 is: 156,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,085.50 : 273,358.44 = 113,202.36 : x
  2. Step 2: Convert to fraction form
    198,085.50/273,358.44 = 113,202.36/x
  3. Step 3: Cross multiply
    198,085.50x = 273,358.44 × 113,202.36
  4. Step 4: Simplify right side
    198,085.50x = 30,944,820,533.92
  5. Step 5: Solve for x
    x = 30,944,820,533.92/198,085.50
  6. Step 6: Final answer
    x = 156,219.51

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1.5x scale

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.