Home / 159,134.48-219,611.22-87,520.04

Finding the Fourth Proportional to 159,134.48, 219,611.22 and 87,520.04

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Solution

The fourth proportional to 159,134.48, 219,611.22 and 87,520.04 is: 120,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,134.48 : 219,611.22 = 87,520.04 : x
  2. Step 2: Convert to fraction form
    159,134.48/219,611.22 = 87,520.04/x
  3. Step 3: Cross multiply
    159,134.48x = 219,611.22 × 87,520.04
  4. Step 4: Simplify right side
    159,134.48x = 19,220,382,758.85
  5. Step 5: Solve for x
    x = 19,220,382,758.85/159,134.48
  6. Step 6: Final answer
    x = 120,780.76

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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.