Home / 88,679.19-132,673.73-81,232.86

Finding the Fourth Proportional to 88,679.19, 132,673.73 and 81,232.86

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Solution

The fourth proportional to 88,679.19, 132,673.73 and 81,232.86 is: 121,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.19 : 132,673.73 = 81,232.86 : x
  2. Step 2: Convert to fraction form
    88,679.19/132,673.73 = 81,232.86/x
  3. Step 3: Cross multiply
    88,679.19x = 132,673.73 × 81,232.86
  4. Step 4: Simplify right side
    88,679.19x = 10,777,466,128.60
  5. Step 5: Solve for x
    x = 10,777,466,128.60/88,679.19
  6. Step 6: Final answer
    x = 121,533.20

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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.