Home / 115,449.75-173,162.43-54,645.45

Finding the Fourth Proportional to 115,449.75, 173,162.43 and 54,645.45

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Solution

The fourth proportional to 115,449.75, 173,162.43 and 54,645.45 is: 81,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,449.75 : 173,162.43 = 54,645.45 : x
  2. Step 2: Convert to fraction form
    115,449.75/173,162.43 = 54,645.45/x
  3. Step 3: Cross multiply
    115,449.75x = 173,162.43 × 54,645.45
  4. Step 4: Simplify right side
    115,449.75x = 9,462,538,910.44
  5. Step 5: Solve for x
    x = 9,462,538,910.44/115,449.75
  6. Step 6: Final answer
    x = 81,962.40

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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.