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Finding the Fourth Proportional to 158,611.60, 237,931.38 and 44,760.43

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Solution

The fourth proportional to 158,611.60, 237,931.38 and 44,760.43 is: 67,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,611.60 : 237,931.38 = 44,760.43 : x
  2. Step 2: Convert to fraction form
    158,611.60/237,931.38 = 44,760.43/x
  3. Step 3: Cross multiply
    158,611.60x = 237,931.38 × 44,760.43
  4. Step 4: Simplify right side
    158,611.60x = 10,649,910,879.29
  5. Step 5: Solve for x
    x = 10,649,910,879.29/158,611.60
  6. Step 6: Final answer
    x = 67,144.59

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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.