Home / 166,950.72-250,387.20-78,119.64

Finding the Fourth Proportional to 166,950.72, 250,387.20 and 78,119.64

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Solution

The fourth proportional to 166,950.72, 250,387.20 and 78,119.64 is: 117,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,950.72 : 250,387.20 = 78,119.64 : x
  2. Step 2: Convert to fraction form
    166,950.72/250,387.20 = 78,119.64/x
  3. Step 3: Cross multiply
    166,950.72x = 250,387.20 × 78,119.64
  4. Step 4: Simplify right side
    166,950.72x = 19,560,157,924.61
  5. Step 5: Solve for x
    x = 19,560,157,924.61/166,950.72
  6. Step 6: Final answer
    x = 117,161.27

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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.