Home / 146,079.03-219,503.84-78,660.91

Finding the Fourth Proportional to 146,079.03, 219,503.84 and 78,660.91

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Solution

The fourth proportional to 146,079.03, 219,503.84 and 78,660.91 is: 118,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,079.03 : 219,503.84 = 78,660.91 : x
  2. Step 2: Convert to fraction form
    146,079.03/219,503.84 = 78,660.91/x
  3. Step 3: Cross multiply
    146,079.03x = 219,503.84 × 78,660.91
  4. Step 4: Simplify right side
    146,079.03x = 17,266,370,891.73
  5. Step 5: Solve for x
    x = 17,266,370,891.73/146,079.03
  6. Step 6: Final answer
    x = 118,198.83

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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.