Home / 166,670.10-250,005.15-66,845.70

Finding the Fourth Proportional to 166,670.10, 250,005.15 and 66,845.70

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Solution

The fourth proportional to 166,670.10, 250,005.15 and 66,845.70 is: 100,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,670.10 : 250,005.15 = 66,845.70 : x
  2. Step 2: Convert to fraction form
    166,670.10/250,005.15 = 66,845.70/x
  3. Step 3: Cross multiply
    166,670.10x = 250,005.15 × 66,845.70
  4. Step 4: Simplify right side
    166,670.10x = 16,711,769,255.36
  5. Step 5: Solve for x
    x = 16,711,769,255.36/166,670.10
  6. Step 6: Final answer
    x = 100,268.55

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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.