Home / 131,212.74-196,817.80-60,115.20

Finding the Fourth Proportional to 131,212.74, 196,817.80 and 60,115.20

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Solution

The fourth proportional to 131,212.74, 196,817.80 and 60,115.20 is: 90,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,212.74 : 196,817.80 = 60,115.20 : x
  2. Step 2: Convert to fraction form
    131,212.74/196,817.80 = 60,115.20/x
  3. Step 3: Cross multiply
    131,212.74x = 196,817.80 × 60,115.20
  4. Step 4: Simplify right side
    131,212.74x = 11,831,741,410.56
  5. Step 5: Solve for x
    x = 11,831,741,410.56/131,212.74
  6. Step 6: Final answer
    x = 90,172.20

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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.