Home / 115,539.87-173,166.66-65,468.28

Finding the Fourth Proportional to 115,539.87, 173,166.66 and 65,468.28

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Solution

The fourth proportional to 115,539.87, 173,166.66 and 65,468.28 is: 98,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,539.87 : 173,166.66 = 65,468.28 : x
  2. Step 2: Convert to fraction form
    115,539.87/173,166.66 = 65,468.28/x
  3. Step 3: Cross multiply
    115,539.87x = 173,166.66 × 65,468.28
  4. Step 4: Simplify right side
    115,539.87x = 11,336,923,383.54
  5. Step 5: Solve for x
    x = 11,336,923,383.54/115,539.87
  6. Step 6: Final answer
    x = 98,121.31

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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.