Home / 131,134.60-196,799.10-96,142.60

Finding the Fourth Proportional to 131,134.60, 196,799.10 and 96,142.60

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Solution

The fourth proportional to 131,134.60, 196,799.10 and 96,142.60 is: 144,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134.60 : 196,799.10 = 96,142.60 : x
  2. Step 2: Convert to fraction form
    131,134.60/196,799.10 = 96,142.60/x
  3. Step 3: Cross multiply
    131,134.60x = 196,799.10 × 96,142.60
  4. Step 4: Simplify right side
    131,134.60x = 18,920,777,151.66
  5. Step 5: Solve for x
    x = 18,920,777,151.66/131,134.60
  6. Step 6: Final answer
    x = 144,285.16

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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.