Home / 216,081.24-324,119.25-56,143.02

Finding the Fourth Proportional to 216,081.24, 324,119.25 and 56,143.02

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Solution

The fourth proportional to 216,081.24, 324,119.25 and 56,143.02 is: 84,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,081.24 : 324,119.25 = 56,143.02 : x
  2. Step 2: Convert to fraction form
    216,081.24/324,119.25 = 56,143.02/x
  3. Step 3: Cross multiply
    216,081.24x = 324,119.25 × 56,143.02
  4. Step 4: Simplify right side
    216,081.24x = 18,197,033,535.14
  5. Step 5: Solve for x
    x = 18,197,033,535.14/216,081.24
  6. Step 6: Final answer
    x = 84,213.85

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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.