Home / 88,281.63-132,438.78-29,121.39

Finding the Fourth Proportional to 88,281.63, 132,438.78 and 29,121.39

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Solution

The fourth proportional to 88,281.63, 132,438.78 and 29,121.39 is: 43,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,281.63 : 132,438.78 = 29,121.39 : x
  2. Step 2: Convert to fraction form
    88,281.63/132,438.78 = 29,121.39/x
  3. Step 3: Cross multiply
    88,281.63x = 132,438.78 × 29,121.39
  4. Step 4: Simplify right side
    88,281.63x = 3,856,801,363.50
  5. Step 5: Solve for x
    x = 3,856,801,363.50/88,281.63
  6. Step 6: Final answer
    x = 43,687.47

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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.