Home / 118,830.60-178,285.62-38,872.22

Finding the Fourth Proportional to 118,830.60, 178,285.62 and 38,872.22

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Solution

The fourth proportional to 118,830.60, 178,285.62 and 38,872.22 is: 58,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,830.60 : 178,285.62 = 38,872.22 : x
  2. Step 2: Convert to fraction form
    118,830.60/178,285.62 = 38,872.22/x
  3. Step 3: Cross multiply
    118,830.60x = 178,285.62 × 38,872.22
  4. Step 4: Simplify right side
    118,830.60x = 6,930,357,843.48
  5. Step 5: Solve for x
    x = 6,930,357,843.48/118,830.60
  6. Step 6: Final answer
    x = 58,321.32

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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.