Home / 159,163.20-219,650.58-87,548.76

Finding the Fourth Proportional to 159,163.20, 219,650.58 and 87,548.76

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Solution

The fourth proportional to 159,163.20, 219,650.58 and 87,548.76 is: 120,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,163.20 : 219,650.58 = 87,548.76 : x
  2. Step 2: Convert to fraction form
    159,163.20/219,650.58 = 87,548.76/x
  3. Step 3: Cross multiply
    159,163.20x = 219,650.58 × 87,548.76
  4. Step 4: Simplify right side
    159,163.20x = 19,230,135,912.28
  5. Step 5: Solve for x
    x = 19,230,135,912.28/159,163.20
  6. Step 6: Final answer
    x = 120,820.24

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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.