Home / 178,778.80-268,266.70-108,707.32

Finding the Fourth Proportional to 178,778.80, 268,266.70 and 108,707.32

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Solution

The fourth proportional to 178,778.80, 268,266.70 and 108,707.32 is: 163,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,778.80 : 268,266.70 = 108,707.32 : x
  2. Step 2: Convert to fraction form
    178,778.80/268,266.70 = 108,707.32/x
  3. Step 3: Cross multiply
    178,778.80x = 268,266.70 × 108,707.32
  4. Step 4: Simplify right side
    178,778.80x = 29,162,554,002.24
  5. Step 5: Solve for x
    x = 29,162,554,002.24/178,778.80
  6. Step 6: Final answer
    x = 163,120.87

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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.