Home / 166,720.70-230,074.57-91,269.20

Finding the Fourth Proportional to 166,720.70, 230,074.57 and 91,269.20

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Solution

The fourth proportional to 166,720.70, 230,074.57 and 91,269.20 is: 125,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,720.70 : 230,074.57 = 91,269.20 : x
  2. Step 2: Convert to fraction form
    166,720.70/230,074.57 = 91,269.20/x
  3. Step 3: Cross multiply
    166,720.70x = 230,074.57 × 91,269.20
  4. Step 4: Simplify right side
    166,720.70x = 20,998,720,565.70
  5. Step 5: Solve for x
    x = 20,998,720,565.70/166,720.70
  6. Step 6: Final answer
    x = 125,951.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.