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Finding the Fourth Proportional to 72,096.19, 108,156.57 and 22,175.19

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Solution

The fourth proportional to 72,096.19, 108,156.57 and 22,175.19 is: 33,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,096.19 : 108,156.57 = 22,175.19 : x
  2. Step 2: Convert to fraction form
    72,096.19/108,156.57 = 22,175.19/x
  3. Step 3: Cross multiply
    72,096.19x = 108,156.57 × 22,175.19
  4. Step 4: Simplify right side
    72,096.19x = 2,398,392,489.50
  5. Step 5: Solve for x
    x = 2,398,392,489.50/72,096.19
  6. Step 6: Final answer
    x = 33,266.56

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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.