Home / 216,321.54-324,535.83-89,923.87

Finding the Fourth Proportional to 216,321.54, 324,535.83 and 89,923.87

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Solution

The fourth proportional to 216,321.54, 324,535.83 and 89,923.87 is: 134,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,321.54 : 324,535.83 = 89,923.87 : x
  2. Step 2: Convert to fraction form
    216,321.54/324,535.83 = 89,923.87/x
  3. Step 3: Cross multiply
    216,321.54x = 324,535.83 × 89,923.87
  4. Step 4: Simplify right side
    216,321.54x = 29,183,517,787.26
  5. Step 5: Solve for x
    x = 29,183,517,787.26/216,321.54
  6. Step 6: Final answer
    x = 134,908.05

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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.