Home / 165,604.80-248,480.10-76,812.60

Finding the Fourth Proportional to 165,604.80, 248,480.10 and 76,812.60

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Solution

The fourth proportional to 165,604.80, 248,480.10 and 76,812.60 is: 115,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,604.80 : 248,480.10 = 76,812.60 : x
  2. Step 2: Convert to fraction form
    165,604.80/248,480.10 = 76,812.60/x
  3. Step 3: Cross multiply
    165,604.80x = 248,480.10 × 76,812.60
  4. Step 4: Simplify right side
    165,604.80x = 19,086,402,529.26
  5. Step 5: Solve for x
    x = 19,086,402,529.26/165,604.80
  6. Step 6: Final answer
    x = 115,252.71

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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.