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Finding the Fourth Proportional to 110,919.40, 166,400.70 and 32,036.20

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Solution

The fourth proportional to 110,919.40, 166,400.70 and 32,036.20 is: 48,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,919.40 : 166,400.70 = 32,036.20 : x
  2. Step 2: Convert to fraction form
    110,919.40/166,400.70 = 32,036.20/x
  3. Step 3: Cross multiply
    110,919.40x = 166,400.70 × 32,036.20
  4. Step 4: Simplify right side
    110,919.40x = 5,330,846,105.34
  5. Step 5: Solve for x
    x = 5,330,846,105.34/110,919.40
  6. Step 6: Final answer
    x = 48,060.54

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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.