Home / 149,450.42-206,234.05-84,911.20

Finding the Fourth Proportional to 149,450.42, 206,234.05 and 84,911.20

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Solution

The fourth proportional to 149,450.42, 206,234.05 and 84,911.20 is: 117,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,450.42 : 206,234.05 = 84,911.20 : x
  2. Step 2: Convert to fraction form
    149,450.42/206,234.05 = 84,911.20/x
  3. Step 3: Cross multiply
    149,450.42x = 206,234.05 × 84,911.20
  4. Step 4: Simplify right side
    149,450.42x = 17,511,581,257.77
  5. Step 5: Solve for x
    x = 17,511,581,257.77/149,450.42
  6. Step 6: Final answer
    x = 117,173.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.