Home / 221,847.20-306,211.94-131,234.67

Finding the Fourth Proportional to 221,847.20, 306,211.94 and 131,234.67

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Solution

The fourth proportional to 221,847.20, 306,211.94 and 131,234.67 is: 181,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,847.20 : 306,211.94 = 131,234.67 : x
  2. Step 2: Convert to fraction form
    221,847.20/306,211.94 = 131,234.67/x
  3. Step 3: Cross multiply
    221,847.20x = 306,211.94 × 131,234.67
  4. Step 4: Simplify right side
    221,847.20x = 40,185,622,895.96
  5. Step 5: Solve for x
    x = 40,185,622,895.96/221,847.20
  6. Step 6: Final answer
    x = 181,141.00

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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.