Home / 165,743.60-248,809.80-164,577.20

Finding the Fourth Proportional to 165,743.60, 248,809.80 and 164,577.20

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Solution

The fourth proportional to 165,743.60, 248,809.80 and 164,577.20 is: 247,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,743.60 : 248,809.80 = 164,577.20 : x
  2. Step 2: Convert to fraction form
    165,743.60/248,809.80 = 164,577.20/x
  3. Step 3: Cross multiply
    165,743.60x = 248,809.80 × 164,577.20
  4. Step 4: Simplify right side
    165,743.60x = 40,948,420,216.56
  5. Step 5: Solve for x
    x = 40,948,420,216.56/165,743.60
  6. Step 6: Final answer
    x = 247,058.83

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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.