Home / 81,436.14-122,154.30-22,267.44

Finding the Fourth Proportional to 81,436.14, 122,154.30 and 22,267.44

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Solution

The fourth proportional to 81,436.14, 122,154.30 and 22,267.44 is: 33,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,436.14 : 122,154.30 = 22,267.44 : x
  2. Step 2: Convert to fraction form
    81,436.14/122,154.30 = 22,267.44/x
  3. Step 3: Cross multiply
    81,436.14x = 122,154.30 × 22,267.44
  4. Step 4: Simplify right side
    81,436.14x = 2,720,063,545.99
  5. Step 5: Solve for x
    x = 2,720,063,545.99/81,436.14
  6. Step 6: Final answer
    x = 33,401.18

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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.