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Finding the Fourth Proportional to 110,618.60, 166,014.30 and 51,461.60

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Solution

The fourth proportional to 110,618.60, 166,014.30 and 51,461.60 is: 77,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,618.60 : 166,014.30 = 51,461.60 : x
  2. Step 2: Convert to fraction form
    110,618.60/166,014.30 = 51,461.60/x
  3. Step 3: Cross multiply
    110,618.60x = 166,014.30 × 51,461.60
  4. Step 4: Simplify right side
    110,618.60x = 8,543,361,500.88
  5. Step 5: Solve for x
    x = 8,543,361,500.88/110,618.60
  6. Step 6: Final answer
    x = 77,232.59

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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.