Home / 123,740.24-185,610.36-30,245.84

Finding the Fourth Proportional to 123,740.24, 185,610.36 and 30,245.84

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Solution

The fourth proportional to 123,740.24, 185,610.36 and 30,245.84 is: 45,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.24 : 185,610.36 = 30,245.84 : x
  2. Step 2: Convert to fraction form
    123,740.24/185,610.36 = 30,245.84/x
  3. Step 3: Cross multiply
    123,740.24x = 185,610.36 × 30,245.84
  4. Step 4: Simplify right side
    123,740.24x = 5,613,941,250.90
  5. Step 5: Solve for x
    x = 5,613,941,250.90/123,740.24
  6. Step 6: Final answer
    x = 45,368.76

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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.