Home / 131,941.40-197,912.10-32,100.80

Finding the Fourth Proportional to 131,941.40, 197,912.10 and 32,100.80

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Solution

The fourth proportional to 131,941.40, 197,912.10 and 32,100.80 is: 48,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,941.40 : 197,912.10 = 32,100.80 : x
  2. Step 2: Convert to fraction form
    131,941.40/197,912.10 = 32,100.80/x
  3. Step 3: Cross multiply
    131,941.40x = 197,912.10 × 32,100.80
  4. Step 4: Simplify right side
    131,941.40x = 6,353,136,739.68
  5. Step 5: Solve for x
    x = 6,353,136,739.68/131,941.40
  6. Step 6: Final answer
    x = 48,151.20

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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.