Home / 150,127.88-207,179.10-82,150.81

Finding the Fourth Proportional to 150,127.88, 207,179.10 and 82,150.81

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Solution

The fourth proportional to 150,127.88, 207,179.10 and 82,150.81 is: 113,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,127.88 : 207,179.10 = 82,150.81 : x
  2. Step 2: Convert to fraction form
    150,127.88/207,179.10 = 82,150.81/x
  3. Step 3: Cross multiply
    150,127.88x = 207,179.10 × 82,150.81
  4. Step 4: Simplify right side
    150,127.88x = 17,019,930,880.07
  5. Step 5: Solve for x
    x = 17,019,930,880.07/150,127.88
  6. Step 6: Final answer
    x = 113,369.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.