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Finding the Fourth Proportional to 72,096.30, 108,154.80 and 22,180.59

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Solution

The fourth proportional to 72,096.30, 108,154.80 and 22,180.59 is: 33,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,096.30 : 108,154.80 = 22,180.59 : x
  2. Step 2: Convert to fraction form
    72,096.30/108,154.80 = 22,180.59/x
  3. Step 3: Cross multiply
    72,096.30x = 108,154.80 × 22,180.59
  4. Step 4: Simplify right side
    72,096.30x = 2,398,937,275.33
  5. Step 5: Solve for x
    x = 2,398,937,275.33/72,096.30
  6. Step 6: Final answer
    x = 33,274.07

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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.