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Finding the Fourth Proportional to 110,560.60, 165,670.80 and 82,348.30

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Solution

The fourth proportional to 110,560.60, 165,670.80 and 82,348.30 is: 123,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,560.60 : 165,670.80 = 82,348.30 : x
  2. Step 2: Convert to fraction form
    110,560.60/165,670.80 = 82,348.30/x
  3. Step 3: Cross multiply
    110,560.60x = 165,670.80 × 82,348.30
  4. Step 4: Simplify right side
    110,560.60x = 13,642,708,739.64
  5. Step 5: Solve for x
    x = 13,642,708,739.64/110,560.60
  6. Step 6: Final answer
    x = 123,395.76

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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.