Home / 110,188.25-165,282.38-72,739.55

Finding the Fourth Proportional to 110,188.25, 165,282.38 and 72,739.55

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Solution

The fourth proportional to 110,188.25, 165,282.38 and 72,739.55 is: 109,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,188.25 : 165,282.38 = 72,739.55 : x
  2. Step 2: Convert to fraction form
    110,188.25/165,282.38 = 72,739.55/x
  3. Step 3: Cross multiply
    110,188.25x = 165,282.38 × 72,739.55
  4. Step 4: Simplify right side
    110,188.25x = 12,022,566,266.41
  5. Step 5: Solve for x
    x = 12,022,566,266.41/110,188.25
  6. Step 6: Final answer
    x = 109,109.33

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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.