Home / 197,142.30-295,681.05-54,997.29

Finding the Fourth Proportional to 197,142.30, 295,681.05 and 54,997.29

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Solution

The fourth proportional to 197,142.30, 295,681.05 and 54,997.29 is: 82,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,142.30 : 295,681.05 = 54,997.29 : x
  2. Step 2: Convert to fraction form
    197,142.30/295,681.05 = 54,997.29/x
  3. Step 3: Cross multiply
    197,142.30x = 295,681.05 × 54,997.29
  4. Step 4: Simplify right side
    197,142.30x = 16,261,656,454.35
  5. Step 5: Solve for x
    x = 16,261,656,454.35/197,142.30
  6. Step 6: Final answer
    x = 82,486.90

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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.