Home / 166,867.34-250,356.35-66,976.11

Finding the Fourth Proportional to 166,867.34, 250,356.35 and 66,976.11

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Solution

The fourth proportional to 166,867.34, 250,356.35 and 66,976.11 is: 100,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,867.34 : 250,356.35 = 66,976.11 : x
  2. Step 2: Convert to fraction form
    166,867.34/250,356.35 = 66,976.11/x
  3. Step 3: Cross multiply
    166,867.34x = 250,356.35 × 66,976.11
  4. Step 4: Simplify right side
    166,867.34x = 16,767,894,604.24
  5. Step 5: Solve for x
    x = 16,767,894,604.24/166,867.34
  6. Step 6: Final answer
    x = 100,486.38

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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.