Home / 146,190.60-219,869.10-131,027.40

Finding the Fourth Proportional to 146,190.60, 219,869.10 and 131,027.40

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Solution

The fourth proportional to 146,190.60, 219,869.10 and 131,027.40 is: 197,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,190.60 : 219,869.10 = 131,027.40 : x
  2. Step 2: Convert to fraction form
    146,190.60/219,869.10 = 131,027.40/x
  3. Step 3: Cross multiply
    146,190.60x = 219,869.10 × 131,027.40
  4. Step 4: Simplify right side
    146,190.60x = 28,808,876,513.34
  5. Step 5: Solve for x
    x = 28,808,876,513.34/146,190.60
  6. Step 6: Final answer
    x = 197,063.81

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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.