Home / 110,289.60-165,517.83-80,784.14

Finding the Fourth Proportional to 110,289.60, 165,517.83 and 80,784.14

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Solution

The fourth proportional to 110,289.60, 165,517.83 and 80,784.14 is: 121,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,289.60 : 165,517.83 = 80,784.14 : x
  2. Step 2: Convert to fraction form
    110,289.60/165,517.83 = 80,784.14/x
  3. Step 3: Cross multiply
    110,289.60x = 165,517.83 × 80,784.14
  4. Step 4: Simplify right side
    110,289.60x = 13,371,214,723.63
  5. Step 5: Solve for x
    x = 13,371,214,723.63/110,289.60
  6. Step 6: Final answer
    x = 121,237.31

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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.