Home / 221,878.20-332,846.10-109,615.80

Finding the Fourth Proportional to 221,878.20, 332,846.10 and 109,615.80

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Solution

The fourth proportional to 221,878.20, 332,846.10 and 109,615.80 is: 164,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,878.20 : 332,846.10 = 109,615.80 : x
  2. Step 2: Convert to fraction form
    221,878.20/332,846.10 = 109,615.80/x
  3. Step 3: Cross multiply
    221,878.20x = 332,846.10 × 109,615.80
  4. Step 4: Simplify right side
    221,878.20x = 36,485,191,528.38
  5. Step 5: Solve for x
    x = 36,485,191,528.38/221,878.20
  6. Step 6: Final answer
    x = 164,437.93

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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.