Home / 100,122.79-150,160.46-36,908.57

Finding the Fourth Proportional to 100,122.79, 150,160.46 and 36,908.57

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Solution

The fourth proportional to 100,122.79, 150,160.46 and 36,908.57 is: 55,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,122.79 : 150,160.46 = 36,908.57 : x
  2. Step 2: Convert to fraction form
    100,122.79/150,160.46 = 36,908.57/x
  3. Step 3: Cross multiply
    100,122.79x = 150,160.46 × 36,908.57
  4. Step 4: Simplify right side
    100,122.79x = 5,542,207,849.14
  5. Step 5: Solve for x
    x = 5,542,207,849.14/100,122.79
  6. Step 6: Final answer
    x = 55,354.11

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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.