Home / 165,784.20-248,649.90-54,976.20

Finding the Fourth Proportional to 165,784.20, 248,649.90 and 54,976.20

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Solution

The fourth proportional to 165,784.20, 248,649.90 and 54,976.20 is: 82,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,784.20 : 248,649.90 = 54,976.20 : x
  2. Step 2: Convert to fraction form
    165,784.20/248,649.90 = 54,976.20/x
  3. Step 3: Cross multiply
    165,784.20x = 248,649.90 × 54,976.20
  4. Step 4: Simplify right side
    165,784.20x = 13,669,826,632.38
  5. Step 5: Solve for x
    x = 13,669,826,632.38/165,784.20
  6. Step 6: Final answer
    x = 82,455.55

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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.