Home / 118,945.44-178,447.68-47,872.80

Finding the Fourth Proportional to 118,945.44, 178,447.68 and 47,872.80

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Solution

The fourth proportional to 118,945.44, 178,447.68 and 47,872.80 is: 71,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,945.44 : 178,447.68 = 47,872.80 : x
  2. Step 2: Convert to fraction form
    118,945.44/178,447.68 = 47,872.80/x
  3. Step 3: Cross multiply
    118,945.44x = 178,447.68 × 47,872.80
  4. Step 4: Simplify right side
    118,945.44x = 8,542,790,095.10
  5. Step 5: Solve for x
    x = 8,542,790,095.10/118,945.44
  6. Step 6: Final answer
    x = 71,821.08

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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.