Home / 133,639.32-200,556.18-107,657.88

Finding the Fourth Proportional to 133,639.32, 200,556.18 and 107,657.88

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Solution

The fourth proportional to 133,639.32, 200,556.18 and 107,657.88 is: 161,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639.32 : 200,556.18 = 107,657.88 : x
  2. Step 2: Convert to fraction form
    133,639.32/200,556.18 = 107,657.88/x
  3. Step 3: Cross multiply
    133,639.32x = 200,556.18 × 107,657.88
  4. Step 4: Simplify right side
    133,639.32x = 21,591,453,159.70
  5. Step 5: Solve for x
    x = 21,591,453,159.70/133,639.32
  6. Step 6: Final answer
    x = 161,565.12

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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.