Home / 219,912.20-329,868.30-166,768.10

Finding the Fourth Proportional to 219,912.20, 329,868.30 and 166,768.10

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Solution

The fourth proportional to 219,912.20, 329,868.30 and 166,768.10 is: 250,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,912.20 : 329,868.30 = 166,768.10 : x
  2. Step 2: Convert to fraction form
    219,912.20/329,868.30 = 166,768.10/x
  3. Step 3: Cross multiply
    219,912.20x = 329,868.30 × 166,768.10
  4. Step 4: Simplify right side
    219,912.20x = 55,011,509,641.23
  5. Step 5: Solve for x
    x = 55,011,509,641.23/219,912.20
  6. Step 6: Final answer
    x = 250,152.15

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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.