Home / 166,914.20-250,031.10-103,539.80

Finding the Fourth Proportional to 166,914.20, 250,031.10 and 103,539.80

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Solution

The fourth proportional to 166,914.20, 250,031.10 and 103,539.80 is: 155,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,914.20 : 250,031.10 = 103,539.80 : x
  2. Step 2: Convert to fraction form
    166,914.20/250,031.10 = 103,539.80/x
  3. Step 3: Cross multiply
    166,914.20x = 250,031.10 × 103,539.80
  4. Step 4: Simplify right side
    166,914.20x = 25,888,170,087.78
  5. Step 5: Solve for x
    x = 25,888,170,087.78/166,914.20
  6. Step 6: Final answer
    x = 155,098.67

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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.