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Finding the Fourth Proportional to 60,168.60, 90,266.73 and 20,192.88

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Solution

The fourth proportional to 60,168.60, 90,266.73 and 20,192.88 is: 30,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,168.60 : 90,266.73 = 20,192.88 : x
  2. Step 2: Convert to fraction form
    60,168.60/90,266.73 = 20,192.88/x
  3. Step 3: Cross multiply
    60,168.60x = 90,266.73 × 20,192.88
  4. Step 4: Simplify right side
    60,168.60x = 1,822,745,650.44
  5. Step 5: Solve for x
    x = 1,822,745,650.44/60,168.60
  6. Step 6: Final answer
    x = 30,293.97

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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.