Home / 165,620.20-248,430.30-161,012.20

Finding the Fourth Proportional to 165,620.20, 248,430.30 and 161,012.20

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Solution

The fourth proportional to 165,620.20, 248,430.30 and 161,012.20 is: 241,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,620.20 : 248,430.30 = 161,012.20 : x
  2. Step 2: Convert to fraction form
    165,620.20/248,430.30 = 161,012.20/x
  3. Step 3: Cross multiply
    165,620.20x = 248,430.30 × 161,012.20
  4. Step 4: Simplify right side
    165,620.20x = 40,000,309,149.66
  5. Step 5: Solve for x
    x = 40,000,309,149.66/165,620.20
  6. Step 6: Final answer
    x = 241,518.30

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1.5x scale

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.