Home / 131,990.86-197,986.38-32,150.50

Finding the Fourth Proportional to 131,990.86, 197,986.38 and 32,150.50

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Solution

The fourth proportional to 131,990.86, 197,986.38 and 32,150.50 is: 48,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,990.86 : 197,986.38 = 32,150.50 : x
  2. Step 2: Convert to fraction form
    131,990.86/197,986.38 = 32,150.50/x
  3. Step 3: Cross multiply
    131,990.86x = 197,986.38 × 32,150.50
  4. Step 4: Simplify right side
    131,990.86x = 6,365,361,110.19
  5. Step 5: Solve for x
    x = 6,365,361,110.19/131,990.86
  6. Step 6: Final answer
    x = 48,225.77

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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.