Home / 115,771.21-173,651.55-48,275.39

Finding the Fourth Proportional to 115,771.21, 173,651.55 and 48,275.39

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Solution

The fourth proportional to 115,771.21, 173,651.55 and 48,275.39 is: 72,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,771.21 : 173,651.55 = 48,275.39 : x
  2. Step 2: Convert to fraction form
    115,771.21/173,651.55 = 48,275.39/x
  3. Step 3: Cross multiply
    115,771.21x = 173,651.55 × 48,275.39
  4. Step 4: Simplify right side
    115,771.21x = 8,383,096,553.45
  5. Step 5: Solve for x
    x = 8,383,096,553.45/115,771.21
  6. Step 6: Final answer
    x = 72,410.89

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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.