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Finding the Fourth Proportional to 118,893.38, 178,288.22 and 44,969.54

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Solution

The fourth proportional to 118,893.38, 178,288.22 and 44,969.54 is: 67,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,893.38 : 178,288.22 = 44,969.54 : x
  2. Step 2: Convert to fraction form
    118,893.38/178,288.22 = 44,969.54/x
  3. Step 3: Cross multiply
    118,893.38x = 178,288.22 × 44,969.54
  4. Step 4: Simplify right side
    118,893.38x = 8,017,538,124.53
  5. Step 5: Solve for x
    x = 8,017,538,124.53/118,893.38
  6. Step 6: Final answer
    x = 67,434.69

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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.