Home / 197,138.10-295,702.88-54,979.60

Finding the Fourth Proportional to 197,138.10, 295,702.88 and 54,979.60

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Solution

The fourth proportional to 197,138.10, 295,702.88 and 54,979.60 is: 82,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,138.10 : 295,702.88 = 54,979.60 : x
  2. Step 2: Convert to fraction form
    197,138.10/295,702.88 = 54,979.60/x
  3. Step 3: Cross multiply
    197,138.10x = 295,702.88 × 54,979.60
  4. Step 4: Simplify right side
    197,138.10x = 16,257,626,061.25
  5. Step 5: Solve for x
    x = 16,257,626,061.25/197,138.10
  6. Step 6: Final answer
    x = 82,468.21

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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.