Home / 132,049.56-198,072.03-121,764.39

Finding the Fourth Proportional to 132,049.56, 198,072.03 and 121,764.39

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Solution

The fourth proportional to 132,049.56, 198,072.03 and 121,764.39 is: 182,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,049.56 : 198,072.03 = 121,764.39 : x
  2. Step 2: Convert to fraction form
    132,049.56/198,072.03 = 121,764.39/x
  3. Step 3: Cross multiply
    132,049.56x = 198,072.03 × 121,764.39
  4. Step 4: Simplify right side
    132,049.56x = 24,118,119,909.01
  5. Step 5: Solve for x
    x = 24,118,119,909.01/132,049.56
  6. Step 6: Final answer
    x = 182,644.45

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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.