Home / 216,772.34-324,995.76-66,924.50

Finding the Fourth Proportional to 216,772.34, 324,995.76 and 66,924.50

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Solution

The fourth proportional to 216,772.34, 324,995.76 and 66,924.50 is: 100,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,772.34 : 324,995.76 = 66,924.50 : x
  2. Step 2: Convert to fraction form
    216,772.34/324,995.76 = 66,924.50/x
  3. Step 3: Cross multiply
    216,772.34x = 324,995.76 × 66,924.50
  4. Step 4: Simplify right side
    216,772.34x = 21,750,177,115.14
  5. Step 5: Solve for x
    x = 21,750,177,115.14/216,772.34
  6. Step 6: Final answer
    x = 100,336.50

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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.