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Finding the Fourth Proportional to 159,622.75, 220,274.87 and 88,002.83

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Solution

The fourth proportional to 159,622.75, 220,274.87 and 88,002.83 is: 121,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,622.75 : 220,274.87 = 88,002.83 : x
  2. Step 2: Convert to fraction form
    159,622.75/220,274.87 = 88,002.83/x
  3. Step 3: Cross multiply
    159,622.75x = 220,274.87 × 88,002.83
  4. Step 4: Simplify right side
    159,622.75x = 19,384,811,676.54
  5. Step 5: Solve for x
    x = 19,384,811,676.54/159,622.75
  6. Step 6: Final answer
    x = 121,441.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.