Home / 216,209.88-324,314.82-75,935.70

Finding the Fourth Proportional to 216,209.88, 324,314.82 and 75,935.70

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Solution

The fourth proportional to 216,209.88, 324,314.82 and 75,935.70 is: 113,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,209.88 : 324,314.82 = 75,935.70 : x
  2. Step 2: Convert to fraction form
    216,209.88/324,314.82 = 75,935.70/x
  3. Step 3: Cross multiply
    216,209.88x = 324,314.82 × 75,935.70
  4. Step 4: Simplify right side
    216,209.88x = 24,627,072,877.07
  5. Step 5: Solve for x
    x = 24,627,072,877.07/216,209.88
  6. Step 6: Final answer
    x = 113,903.55

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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.