Home / 166,708.62-250,057.26-77,840.28

Finding the Fourth Proportional to 166,708.62, 250,057.26 and 77,840.28

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Solution

The fourth proportional to 166,708.62, 250,057.26 and 77,840.28 is: 116,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,708.62 : 250,057.26 = 77,840.28 : x
  2. Step 2: Convert to fraction form
    166,708.62/250,057.26 = 77,840.28/x
  3. Step 3: Cross multiply
    166,708.62x = 250,057.26 × 77,840.28
  4. Step 4: Simplify right side
    166,708.62x = 19,464,527,134.43
  5. Step 5: Solve for x
    x = 19,464,527,134.43/166,708.62
  6. Step 6: Final answer
    x = 116,757.77

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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.