Home / 216,202.16-324,362.69-103,976.25

Finding the Fourth Proportional to 216,202.16, 324,362.69 and 103,976.25

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Solution

The fourth proportional to 216,202.16, 324,362.69 and 103,976.25 is: 155,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,202.16 : 324,362.69 = 103,976.25 : x
  2. Step 2: Convert to fraction form
    216,202.16/324,362.69 = 103,976.25/x
  3. Step 3: Cross multiply
    216,202.16x = 324,362.69 × 103,976.25
  4. Step 4: Simplify right side
    216,202.16x = 33,726,015,626.23
  5. Step 5: Solve for x
    x = 33,726,015,626.23/216,202.16
  6. Step 6: Final answer
    x = 155,992.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.