Home / 229,920.20-344,891.10-72,153.80

Finding the Fourth Proportional to 229,920.20, 344,891.10 and 72,153.80

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Solution

The fourth proportional to 229,920.20, 344,891.10 and 72,153.80 is: 108,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,920.20 : 344,891.10 = 72,153.80 : x
  2. Step 2: Convert to fraction form
    229,920.20/344,891.10 = 72,153.80/x
  3. Step 3: Cross multiply
    229,920.20x = 344,891.10 × 72,153.80
  4. Step 4: Simplify right side
    229,920.20x = 24,885,203,451.18
  5. Step 5: Solve for x
    x = 24,885,203,451.18/229,920.20
  6. Step 6: Final answer
    x = 108,234.09

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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.