Home / 110,280.08-165,436.52-51,121.73

Finding the Fourth Proportional to 110,280.08, 165,436.52 and 51,121.73

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Solution

The fourth proportional to 110,280.08, 165,436.52 and 51,121.73 is: 76,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,280.08 : 165,436.52 = 51,121.73 : x
  2. Step 2: Convert to fraction form
    110,280.08/165,436.52 = 51,121.73/x
  3. Step 3: Cross multiply
    110,280.08x = 165,436.52 × 51,121.73
  4. Step 4: Simplify right side
    110,280.08x = 8,457,401,107.58
  5. Step 5: Solve for x
    x = 8,457,401,107.58/110,280.08
  6. Step 6: Final answer
    x = 76,690.20

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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.