Home / 171,948.96-257,455.97-100,766.67

Finding the Fourth Proportional to 171,948.96, 257,455.97 and 100,766.67

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Solution

The fourth proportional to 171,948.96, 257,455.97 and 100,766.67 is: 150,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,948.96 : 257,455.97 = 100,766.67 : x
  2. Step 2: Convert to fraction form
    171,948.96/257,455.97 = 100,766.67/x
  3. Step 3: Cross multiply
    171,948.96x = 257,455.97 × 100,766.67
  4. Step 4: Simplify right side
    171,948.96x = 25,942,979,677.10
  5. Step 5: Solve for x
    x = 25,942,979,677.10/171,948.96
  6. Step 6: Final answer
    x = 150,876.05

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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.