Home / 161,965.44-223,520.04-108,272.16

Finding the Fourth Proportional to 161,965.44, 223,520.04 and 108,272.16

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Solution

The fourth proportional to 161,965.44, 223,520.04 and 108,272.16 is: 149,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,965.44 : 223,520.04 = 108,272.16 : x
  2. Step 2: Convert to fraction form
    161,965.44/223,520.04 = 108,272.16/x
  3. Step 3: Cross multiply
    161,965.44x = 223,520.04 × 108,272.16
  4. Step 4: Simplify right side
    161,965.44x = 24,200,997,534.09
  5. Step 5: Solve for x
    x = 24,200,997,534.09/161,965.44
  6. Step 6: Final answer
    x = 149,420.75

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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.