Home / 88,371.30-132,362.55-86,427.30

Finding the Fourth Proportional to 88,371.30, 132,362.55 and 86,427.30

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Solution

The fourth proportional to 88,371.30, 132,362.55 and 86,427.30 is: 129,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,371.30 : 132,362.55 = 86,427.30 : x
  2. Step 2: Convert to fraction form
    88,371.30/132,362.55 = 86,427.30/x
  3. Step 3: Cross multiply
    88,371.30x = 132,362.55 × 86,427.30
  4. Step 4: Simplify right side
    88,371.30x = 11,439,737,817.62
  5. Step 5: Solve for x
    x = 11,439,737,817.62/88,371.30
  6. Step 6: Final answer
    x = 129,450.83

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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.