Home / 88,678.44-132,672.60-81,232.11

Finding the Fourth Proportional to 88,678.44, 132,672.60 and 81,232.11

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Solution

The fourth proportional to 88,678.44, 132,672.60 and 81,232.11 is: 121,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.44 : 132,672.60 = 81,232.11 : x
  2. Step 2: Convert to fraction form
    88,678.44/132,672.60 = 81,232.11/x
  3. Step 3: Cross multiply
    88,678.44x = 132,672.60 × 81,232.11
  4. Step 4: Simplify right side
    88,678.44x = 10,777,275,237.19
  5. Step 5: Solve for x
    x = 10,777,275,237.19/88,678.44
  6. Step 6: Final answer
    x = 121,532.08

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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.