Home / 123,146.44-184,739.10-40,021

Finding the Fourth Proportional to 123,146.44, 184,739.10 and 40,021

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Solution

The fourth proportional to 123,146.44, 184,739.10 and 40,021 is: 60,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,146.44 : 184,739.10 = 40,021 : x
  2. Step 2: Convert to fraction form
    123,146.44/184,739.10 = 40,021/x
  3. Step 3: Cross multiply
    123,146.44x = 184,739.10 × 40,021
  4. Step 4: Simplify right side
    123,146.44x = 7,393,443,521.10
  5. Step 5: Solve for x
    x = 7,393,443,521.10/123,146.44
  6. Step 6: Final answer
    x = 60,037.82

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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.