Home / 221,846.20-306,210.56-131,233.67

Finding the Fourth Proportional to 221,846.20, 306,210.56 and 131,233.67

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Solution

The fourth proportional to 221,846.20, 306,210.56 and 131,233.67 is: 181,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,846.20 : 306,210.56 = 131,233.67 : x
  2. Step 2: Convert to fraction form
    221,846.20/306,210.56 = 131,233.67/x
  3. Step 3: Cross multiply
    221,846.20x = 306,210.56 × 131,233.67
  4. Step 4: Simplify right side
    221,846.20x = 40,185,135,581.56
  5. Step 5: Solve for x
    x = 40,185,135,581.56/221,846.20
  6. Step 6: Final answer
    x = 181,139.62

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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.