Home / 81,464.52-122,233.50-51,874.68

Finding the Fourth Proportional to 81,464.52, 122,233.50 and 51,874.68

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Solution

The fourth proportional to 81,464.52, 122,233.50 and 51,874.68 is: 77,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,464.52 : 122,233.50 = 51,874.68 : x
  2. Step 2: Convert to fraction form
    81,464.52/122,233.50 = 51,874.68/x
  3. Step 3: Cross multiply
    81,464.52x = 122,233.50 × 51,874.68
  4. Step 4: Simplify right side
    81,464.52x = 6,340,823,697.78
  5. Step 5: Solve for x
    x = 6,340,823,697.78/81,464.52
  6. Step 6: Final answer
    x = 77,835.40

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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.