Home / 166,719.78-250,221.15-66,947.49

Finding the Fourth Proportional to 166,719.78, 250,221.15 and 66,947.49

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Solution

The fourth proportional to 166,719.78, 250,221.15 and 66,947.49 is: 100,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,719.78 : 250,221.15 = 66,947.49 : x
  2. Step 2: Convert to fraction form
    166,719.78/250,221.15 = 66,947.49/x
  3. Step 3: Cross multiply
    166,719.78x = 250,221.15 × 66,947.49
  4. Step 4: Simplify right side
    166,719.78x = 16,751,677,937.41
  5. Step 5: Solve for x
    x = 16,751,677,937.41/166,719.78
  6. Step 6: Final answer
    x = 100,478.05

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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.