Home / 132,439.86-198,784.62-48,281.36

Finding the Fourth Proportional to 132,439.86, 198,784.62 and 48,281.36

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Solution

The fourth proportional to 132,439.86, 198,784.62 and 48,281.36 is: 72,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,439.86 : 198,784.62 = 48,281.36 : x
  2. Step 2: Convert to fraction form
    132,439.86/198,784.62 = 48,281.36/x
  3. Step 3: Cross multiply
    132,439.86x = 198,784.62 × 48,281.36
  4. Step 4: Simplify right side
    132,439.86x = 9,597,591,800.68
  5. Step 5: Solve for x
    x = 9,597,591,800.68/132,439.86
  6. Step 6: Final answer
    x = 72,467.55

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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.