Home / 111,370.08-166,832.40-66,972.60

Finding the Fourth Proportional to 111,370.08, 166,832.40 and 66,972.60

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Solution

The fourth proportional to 111,370.08, 166,832.40 and 66,972.60 is: 100,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,370.08 : 166,832.40 = 66,972.60 : x
  2. Step 2: Convert to fraction form
    111,370.08/166,832.40 = 66,972.60/x
  3. Step 3: Cross multiply
    111,370.08x = 166,832.40 × 66,972.60
  4. Step 4: Simplify right side
    111,370.08x = 11,173,199,592.24
  5. Step 5: Solve for x
    x = 11,173,199,592.24/111,370.08
  6. Step 6: Final answer
    x = 100,324.97

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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.