Home / 102,920.20-154,380.30-29,048.20

Finding the Fourth Proportional to 102,920.20, 154,380.30 and 29,048.20

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Solution

The fourth proportional to 102,920.20, 154,380.30 and 29,048.20 is: 43,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,920.20 : 154,380.30 = 29,048.20 : x
  2. Step 2: Convert to fraction form
    102,920.20/154,380.30 = 29,048.20/x
  3. Step 3: Cross multiply
    102,920.20x = 154,380.30 × 29,048.20
  4. Step 4: Simplify right side
    102,920.20x = 4,484,469,830.46
  5. Step 5: Solve for x
    x = 4,484,469,830.46/102,920.20
  6. Step 6: Final answer
    x = 43,572.30

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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.