Home / 103,989.38-155,984.07-33,868.69

Finding the Fourth Proportional to 103,989.38, 155,984.07 and 33,868.69

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Solution

The fourth proportional to 103,989.38, 155,984.07 and 33,868.69 is: 50,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,989.38 : 155,984.07 = 33,868.69 : x
  2. Step 2: Convert to fraction form
    103,989.38/155,984.07 = 33,868.69/x
  3. Step 3: Cross multiply
    103,989.38x = 155,984.07 × 33,868.69
  4. Step 4: Simplify right side
    103,989.38x = 5,282,976,872.46
  5. Step 5: Solve for x
    x = 5,282,976,872.46/103,989.38
  6. Step 6: Final answer
    x = 50,803.04

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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.