Home / 110,414.60-165,621.90-92,918.60

Finding the Fourth Proportional to 110,414.60, 165,621.90 and 92,918.60

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Solution

The fourth proportional to 110,414.60, 165,621.90 and 92,918.60 is: 139,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,414.60 : 165,621.90 = 92,918.60 : x
  2. Step 2: Convert to fraction form
    110,414.60/165,621.90 = 92,918.60/x
  3. Step 3: Cross multiply
    110,414.60x = 165,621.90 × 92,918.60
  4. Step 4: Simplify right side
    110,414.60x = 15,389,355,077.34
  5. Step 5: Solve for x
    x = 15,389,355,077.34/110,414.60
  6. Step 6: Final answer
    x = 139,377.90

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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.