Home / 221,790.20-306,063.17-140,162.08

Finding the Fourth Proportional to 221,790.20, 306,063.17 and 140,162.08

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Solution

The fourth proportional to 221,790.20, 306,063.17 and 140,162.08 is: 193,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,790.20 : 306,063.17 = 140,162.08 : x
  2. Step 2: Convert to fraction form
    221,790.20/306,063.17 = 140,162.08/x
  3. Step 3: Cross multiply
    221,790.20x = 306,063.17 × 140,162.08
  4. Step 4: Simplify right side
    221,790.20x = 42,898,450,103.84
  5. Step 5: Solve for x
    x = 42,898,450,103.84/221,790.20
  6. Step 6: Final answer
    x = 193,419.05

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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.