Home / 131,788.60-197,682.90-96,796.60

Finding the Fourth Proportional to 131,788.60, 197,682.90 and 96,796.60

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Solution

The fourth proportional to 131,788.60, 197,682.90 and 96,796.60 is: 145,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,788.60 : 197,682.90 = 96,796.60 : x
  2. Step 2: Convert to fraction form
    131,788.60/197,682.90 = 96,796.60/x
  3. Step 3: Cross multiply
    131,788.60x = 197,682.90 × 96,796.60
  4. Step 4: Simplify right side
    131,788.60x = 19,135,032,598.14
  5. Step 5: Solve for x
    x = 19,135,032,598.14/131,788.60
  6. Step 6: Final answer
    x = 145,194.90

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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.