Home / 161,760.22-223,165.46-108,080.30

Finding the Fourth Proportional to 161,760.22, 223,165.46 and 108,080.30

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Solution

The fourth proportional to 161,760.22, 223,165.46 and 108,080.30 is: 149,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,760.22 : 223,165.46 = 108,080.30 : x
  2. Step 2: Convert to fraction form
    161,760.22/223,165.46 = 108,080.30/x
  3. Step 3: Cross multiply
    161,760.22x = 223,165.46 × 108,080.30
  4. Step 4: Simplify right side
    161,760.22x = 24,119,789,866.44
  5. Step 5: Solve for x
    x = 24,119,789,866.44/161,760.22
  6. Step 6: Final answer
    x = 149,108.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.