Home / 123,739.49-185,609.24-30,245.09

Finding the Fourth Proportional to 123,739.49, 185,609.24 and 30,245.09

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Solution

The fourth proportional to 123,739.49, 185,609.24 and 30,245.09 is: 45,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739.49 : 185,609.24 = 30,245.09 : x
  2. Step 2: Convert to fraction form
    123,739.49/185,609.24 = 30,245.09/x
  3. Step 3: Cross multiply
    123,739.49x = 185,609.24 × 30,245.09
  4. Step 4: Simplify right side
    123,739.49x = 5,613,768,168.63
  5. Step 5: Solve for x
    x = 5,613,768,168.63/123,739.49
  6. Step 6: Final answer
    x = 45,367.64

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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.