Home / 110,511.54-165,766.08-66,150.68

Finding the Fourth Proportional to 110,511.54, 165,766.08 and 66,150.68

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Solution

The fourth proportional to 110,511.54, 165,766.08 and 66,150.68 is: 99,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,511.54 : 165,766.08 = 66,150.68 : x
  2. Step 2: Convert to fraction form
    110,511.54/165,766.08 = 66,150.68/x
  3. Step 3: Cross multiply
    110,511.54x = 165,766.08 × 66,150.68
  4. Step 4: Simplify right side
    110,511.54x = 10,965,538,912.93
  5. Step 5: Solve for x
    x = 10,965,538,912.93/110,511.54
  6. Step 6: Final answer
    x = 99,225.28

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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.