Home / 108,090.72-161,997.84-45,675.36

Finding the Fourth Proportional to 108,090.72, 161,997.84 and 45,675.36

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Solution

The fourth proportional to 108,090.72, 161,997.84 and 45,675.36 is: 68,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,090.72 : 161,997.84 = 45,675.36 : x
  2. Step 2: Convert to fraction form
    108,090.72/161,997.84 = 45,675.36/x
  3. Step 3: Cross multiply
    108,090.72x = 161,997.84 × 45,675.36
  4. Step 4: Simplify right side
    108,090.72x = 7,399,309,661.22
  5. Step 5: Solve for x
    x = 7,399,309,661.22/108,090.72
  6. Step 6: Final answer
    x = 68,454.62

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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.