Home / 221,890.20-332,835.30-64,123.80

Finding the Fourth Proportional to 221,890.20, 332,835.30 and 64,123.80

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Solution

The fourth proportional to 221,890.20, 332,835.30 and 64,123.80 is: 96,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,890.20 : 332,835.30 = 64,123.80 : x
  2. Step 2: Convert to fraction form
    221,890.20/332,835.30 = 64,123.80/x
  3. Step 3: Cross multiply
    221,890.20x = 332,835.30 × 64,123.80
  4. Step 4: Simplify right side
    221,890.20x = 21,342,664,210.14
  5. Step 5: Solve for x
    x = 21,342,664,210.14/221,890.20
  6. Step 6: Final answer
    x = 96,185.70

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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.