Home / 123,738.74-185,608.11-30,244.34

Finding the Fourth Proportional to 123,738.74, 185,608.11 and 30,244.34

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Solution

The fourth proportional to 123,738.74, 185,608.11 and 30,244.34 is: 45,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,738.74 : 185,608.11 = 30,244.34 : x
  2. Step 2: Convert to fraction form
    123,738.74/185,608.11 = 30,244.34/x
  3. Step 3: Cross multiply
    123,738.74x = 185,608.11 × 30,244.34
  4. Step 4: Simplify right side
    123,738.74x = 5,613,594,785.60
  5. Step 5: Solve for x
    x = 5,613,594,785.60/123,738.74
  6. Step 6: Final answer
    x = 45,366.51

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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.