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Finding the Fourth Proportional to 121,358.47, 182,037.54 and 32,611.98

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Solution

The fourth proportional to 121,358.47, 182,037.54 and 32,611.98 is: 48,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,358.47 : 182,037.54 = 32,611.98 : x
  2. Step 2: Convert to fraction form
    121,358.47/182,037.54 = 32,611.98/x
  3. Step 3: Cross multiply
    121,358.47x = 182,037.54 × 32,611.98
  4. Step 4: Simplify right side
    121,358.47x = 5,936,603,540.48
  5. Step 5: Solve for x
    x = 5,936,603,540.48/121,358.47
  6. Step 6: Final answer
    x = 48,917.92

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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.