Home / 219,916.20-329,874.30-166,772.10

Finding the Fourth Proportional to 219,916.20, 329,874.30 and 166,772.10

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Solution

The fourth proportional to 219,916.20, 329,874.30 and 166,772.10 is: 250,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,916.20 : 329,874.30 = 166,772.10 : x
  2. Step 2: Convert to fraction form
    219,916.20/329,874.30 = 166,772.10/x
  3. Step 3: Cross multiply
    219,916.20x = 329,874.30 × 166,772.10
  4. Step 4: Simplify right side
    219,916.20x = 55,013,829,747.03
  5. Step 5: Solve for x
    x = 55,013,829,747.03/219,916.20
  6. Step 6: Final answer
    x = 250,158.15

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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.