Home / 88,298.20-132,447.30-86,548.60

Finding the Fourth Proportional to 88,298.20, 132,447.30 and 86,548.60

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Solution

The fourth proportional to 88,298.20, 132,447.30 and 86,548.60 is: 129,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,298.20 : 132,447.30 = 86,548.60 : x
  2. Step 2: Convert to fraction form
    88,298.20/132,447.30 = 86,548.60/x
  3. Step 3: Cross multiply
    88,298.20x = 132,447.30 × 86,548.60
  4. Step 4: Simplify right side
    88,298.20x = 11,463,128,388.78
  5. Step 5: Solve for x
    x = 11,463,128,388.78/88,298.20
  6. Step 6: Final answer
    x = 129,822.90

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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.