Home / 179,440.40-268,642.20-109,456.40

Finding the Fourth Proportional to 179,440.40, 268,642.20 and 109,456.40

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Solution

The fourth proportional to 179,440.40, 268,642.20 and 109,456.40 is: 163,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,440.40 : 268,642.20 = 109,456.40 : x
  2. Step 2: Convert to fraction form
    179,440.40/268,642.20 = 109,456.40/x
  3. Step 3: Cross multiply
    179,440.40x = 268,642.20 × 109,456.40
  4. Step 4: Simplify right side
    179,440.40x = 29,404,608,100.08
  5. Step 5: Solve for x
    x = 29,404,608,100.08/179,440.40
  6. Step 6: Final answer
    x = 163,868.38

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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.