Home / 132,922.60-199,383.90-103,431.40

Finding the Fourth Proportional to 132,922.60, 199,383.90 and 103,431.40

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Solution

The fourth proportional to 132,922.60, 199,383.90 and 103,431.40 is: 155,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.60 : 199,383.90 = 103,431.40 : x
  2. Step 2: Convert to fraction form
    132,922.60/199,383.90 = 103,431.40/x
  3. Step 3: Cross multiply
    132,922.60x = 199,383.90 × 103,431.40
  4. Step 4: Simplify right side
    132,922.60x = 20,622,555,914.46
  5. Step 5: Solve for x
    x = 20,622,555,914.46/132,922.60
  6. Step 6: Final answer
    x = 155,147.10

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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.