Home / 165,771.87-248,657.58-76,976.82

Finding the Fourth Proportional to 165,771.87, 248,657.58 and 76,976.82

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Solution

The fourth proportional to 165,771.87, 248,657.58 and 76,976.82 is: 115,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,771.87 : 248,657.58 = 76,976.82 : x
  2. Step 2: Convert to fraction form
    165,771.87/248,657.58 = 76,976.82/x
  3. Step 3: Cross multiply
    165,771.87x = 248,657.58 × 76,976.82
  4. Step 4: Simplify right side
    165,771.87x = 19,140,869,777.30
  5. Step 5: Solve for x
    x = 19,140,869,777.30/165,771.87
  6. Step 6: Final answer
    x = 115,465.13

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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.