Home / 88,138.21-132,179.23-28,960.15

Finding the Fourth Proportional to 88,138.21, 132,179.23 and 28,960.15

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Solution

The fourth proportional to 88,138.21, 132,179.23 and 28,960.15 is: 43,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138.21 : 132,179.23 = 28,960.15 : x
  2. Step 2: Convert to fraction form
    88,138.21/132,179.23 = 28,960.15/x
  3. Step 3: Cross multiply
    88,138.21x = 132,179.23 × 28,960.15
  4. Step 4: Simplify right side
    88,138.21x = 3,827,930,327.68
  5. Step 5: Solve for x
    x = 3,827,930,327.68/88,138.21
  6. Step 6: Final answer
    x = 43,431.00

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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.