Home / 216,314.20-324,283.38-103,938.04

Finding the Fourth Proportional to 216,314.20, 324,283.38 and 103,938.04

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Solution

The fourth proportional to 216,314.20, 324,283.38 and 103,938.04 is: 155,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,314.20 : 324,283.38 = 103,938.04 : x
  2. Step 2: Convert to fraction form
    216,314.20/324,283.38 = 103,938.04/x
  3. Step 3: Cross multiply
    216,314.20x = 324,283.38 × 103,938.04
  4. Step 4: Simplify right side
    216,314.20x = 33,705,378,921.78
  5. Step 5: Solve for x
    x = 33,705,378,921.78/216,314.20
  6. Step 6: Final answer
    x = 155,816.77

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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.