Home / 207,772.32-311,412.39-95,357.82

Finding the Fourth Proportional to 207,772.32, 311,412.39 and 95,357.82

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Solution

The fourth proportional to 207,772.32, 311,412.39 and 95,357.82 is: 142,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,772.32 : 311,412.39 = 95,357.82 : x
  2. Step 2: Convert to fraction form
    207,772.32/311,412.39 = 95,357.82/x
  3. Step 3: Cross multiply
    207,772.32x = 311,412.39 × 95,357.82
  4. Step 4: Simplify right side
    207,772.32x = 29,695,606,631.39
  5. Step 5: Solve for x
    x = 29,695,606,631.39/207,772.32
  6. Step 6: Final answer
    x = 142,923.79

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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.