Home / 123,395.10-184,879.87-83,325.61

Finding the Fourth Proportional to 123,395.10, 184,879.87 and 83,325.61

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Solution

The fourth proportional to 123,395.10, 184,879.87 and 83,325.61 is: 124,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,395.10 : 184,879.87 = 83,325.61 : x
  2. Step 2: Convert to fraction form
    123,395.10/184,879.87 = 83,325.61/x
  3. Step 3: Cross multiply
    123,395.10x = 184,879.87 × 83,325.61
  4. Step 4: Simplify right side
    123,395.10x = 15,405,227,967.26
  5. Step 5: Solve for x
    x = 15,405,227,967.26/123,395.10
  6. Step 6: Final answer
    x = 124,844.73

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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.