Home / 165,090.80-247,636.20-155,249.30

Finding the Fourth Proportional to 165,090.80, 247,636.20 and 155,249.30

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Solution

The fourth proportional to 165,090.80, 247,636.20 and 155,249.30 is: 232,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,090.80 : 247,636.20 = 155,249.30 : x
  2. Step 2: Convert to fraction form
    165,090.80/247,636.20 = 155,249.30/x
  3. Step 3: Cross multiply
    165,090.80x = 247,636.20 × 155,249.30
  4. Step 4: Simplify right side
    165,090.80x = 38,445,346,704.66
  5. Step 5: Solve for x
    x = 38,445,346,704.66/165,090.80
  6. Step 6: Final answer
    x = 232,873.95

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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.