Home / 109,226.20-164,012.10-79,850.20

Finding the Fourth Proportional to 109,226.20, 164,012.10 and 79,850.20

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Solution

The fourth proportional to 109,226.20, 164,012.10 and 79,850.20 is: 119,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,226.20 : 164,012.10 = 79,850.20 : x
  2. Step 2: Convert to fraction form
    109,226.20/164,012.10 = 79,850.20/x
  3. Step 3: Cross multiply
    109,226.20x = 164,012.10 × 79,850.20
  4. Step 4: Simplify right side
    109,226.20x = 13,096,398,987.42
  5. Step 5: Solve for x
    x = 13,096,398,987.42/109,226.20
  6. Step 6: Final answer
    x = 119,901.63

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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.