Home / 150,170.55-207,235.46-82,187.51

Finding the Fourth Proportional to 150,170.55, 207,235.46 and 82,187.51

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Solution

The fourth proportional to 150,170.55, 207,235.46 and 82,187.51 is: 113,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,170.55 : 207,235.46 = 82,187.51 : x
  2. Step 2: Convert to fraction form
    150,170.55/207,235.46 = 82,187.51/x
  3. Step 3: Cross multiply
    150,170.55x = 207,235.46 × 82,187.51
  4. Step 4: Simplify right side
    150,170.55x = 17,032,164,993.99
  5. Step 5: Solve for x
    x = 17,032,164,993.99/150,170.55
  6. Step 6: Final answer
    x = 113,418.81

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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.