Home / 131,212.73-196,817.81-60,115.20

Finding the Fourth Proportional to 131,212.73, 196,817.81 and 60,115.20

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Solution

The fourth proportional to 131,212.73, 196,817.81 and 60,115.20 is: 90,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,212.73 : 196,817.81 = 60,115.20 : x
  2. Step 2: Convert to fraction form
    131,212.73/196,817.81 = 60,115.20/x
  3. Step 3: Cross multiply
    131,212.73x = 196,817.81 × 60,115.20
  4. Step 4: Simplify right side
    131,212.73x = 11,831,741,711.14
  5. Step 5: Solve for x
    x = 11,831,741,711.14/131,212.73
  6. Step 6: Final answer
    x = 90,172.21

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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.