Home / 88,099.28-132,147.74-21,539.98

Finding the Fourth Proportional to 88,099.28, 132,147.74 and 21,539.98

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Solution

The fourth proportional to 88,099.28, 132,147.74 and 21,539.98 is: 32,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.28 : 132,147.74 = 21,539.98 : x
  2. Step 2: Convert to fraction form
    88,099.28/132,147.74 = 21,539.98/x
  3. Step 3: Cross multiply
    88,099.28x = 132,147.74 × 21,539.98
  4. Step 4: Simplify right side
    88,099.28x = 2,846,459,568.95
  5. Step 5: Solve for x
    x = 2,846,459,568.95/88,099.28
  6. Step 6: Final answer
    x = 32,309.68

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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.