Home / 150,134.36-207,182.22-82,151.06

Finding the Fourth Proportional to 150,134.36, 207,182.22 and 82,151.06

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Solution

The fourth proportional to 150,134.36, 207,182.22 and 82,151.06 is: 113,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,134.36 : 207,182.22 = 82,151.06 : x
  2. Step 2: Convert to fraction form
    150,134.36/207,182.22 = 82,151.06/x
  3. Step 3: Cross multiply
    150,134.36x = 207,182.22 × 82,151.06
  4. Step 4: Simplify right side
    150,134.36x = 17,020,238,986.15
  5. Step 5: Solve for x
    x = 17,020,238,986.15/150,134.36
  6. Step 6: Final answer
    x = 113,366.71

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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.