Home / 165,665.80-248,540.10-53,356.60

Finding the Fourth Proportional to 165,665.80, 248,540.10 and 53,356.60

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Solution

The fourth proportional to 165,665.80, 248,540.10 and 53,356.60 is: 80,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,665.80 : 248,540.10 = 53,356.60 : x
  2. Step 2: Convert to fraction form
    165,665.80/248,540.10 = 53,356.60/x
  3. Step 3: Cross multiply
    165,665.80x = 248,540.10 × 53,356.60
  4. Step 4: Simplify right side
    165,665.80x = 13,261,254,699.66
  5. Step 5: Solve for x
    x = 13,261,254,699.66/165,665.80
  6. Step 6: Final answer
    x = 80,048.23

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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.