Home / 88,146.12-132,205.36-28,981.36

Finding the Fourth Proportional to 88,146.12, 132,205.36 and 28,981.36

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Solution

The fourth proportional to 88,146.12, 132,205.36 and 28,981.36 is: 43,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,146.12 : 132,205.36 = 28,981.36 : x
  2. Step 2: Convert to fraction form
    88,146.12/132,205.36 = 28,981.36/x
  3. Step 3: Cross multiply
    88,146.12x = 132,205.36 × 28,981.36
  4. Step 4: Simplify right side
    88,146.12x = 3,831,491,132.09
  5. Step 5: Solve for x
    x = 3,831,491,132.09/88,146.12
  6. Step 6: Final answer
    x = 43,467.50

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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.