Home / 132,743.19-199,143.61-48,503.22

Finding the Fourth Proportional to 132,743.19, 199,143.61 and 48,503.22

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Solution

The fourth proportional to 132,743.19, 199,143.61 and 48,503.22 is: 72,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,743.19 : 199,143.61 = 48,503.22 : x
  2. Step 2: Convert to fraction form
    132,743.19/199,143.61 = 48,503.22/x
  3. Step 3: Cross multiply
    132,743.19x = 199,143.61 × 48,503.22
  4. Step 4: Simplify right side
    132,743.19x = 9,659,106,327.42
  5. Step 5: Solve for x
    x = 9,659,106,327.42/132,743.19
  6. Step 6: Final answer
    x = 72,765.36

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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.