Home / 123,455.22-185,163.86-39,204.45

Finding the Fourth Proportional to 123,455.22, 185,163.86 and 39,204.45

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Solution

The fourth proportional to 123,455.22, 185,163.86 and 39,204.45 is: 58,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,455.22 : 185,163.86 = 39,204.45 : x
  2. Step 2: Convert to fraction form
    123,455.22/185,163.86 = 39,204.45/x
  3. Step 3: Cross multiply
    123,455.22x = 185,163.86 × 39,204.45
  4. Step 4: Simplify right side
    123,455.22x = 7,259,247,095.15
  5. Step 5: Solve for x
    x = 7,259,247,095.15/123,455.22
  6. Step 6: Final answer
    x = 58,800.65

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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.