Home / 216,158.94-324,016.83-89,872.47

Finding the Fourth Proportional to 216,158.94, 324,016.83 and 89,872.47

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Solution

The fourth proportional to 216,158.94, 324,016.83 and 89,872.47 is: 134,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,158.94 : 324,016.83 = 89,872.47 : x
  2. Step 2: Convert to fraction form
    216,158.94/324,016.83 = 89,872.47/x
  3. Step 3: Cross multiply
    216,158.94x = 324,016.83 × 89,872.47
  4. Step 4: Simplify right side
    216,158.94x = 29,120,192,833.67
  5. Step 5: Solve for x
    x = 29,120,192,833.67/216,158.94
  6. Step 6: Final answer
    x = 134,716.58

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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.