Home / 194,630.60-291,485.10-131,961.80

Finding the Fourth Proportional to 194,630.60, 291,485.10 and 131,961.80

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Solution

The fourth proportional to 194,630.60, 291,485.10 and 131,961.80 is: 197,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,630.60 : 291,485.10 = 131,961.80 : x
  2. Step 2: Convert to fraction form
    194,630.60/291,485.10 = 131,961.80/x
  3. Step 3: Cross multiply
    194,630.60x = 291,485.10 × 131,961.80
  4. Step 4: Simplify right side
    194,630.60x = 38,464,898,469.18
  5. Step 5: Solve for x
    x = 38,464,898,469.18/194,630.60
  6. Step 6: Final answer
    x = 197,630.27

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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.