Home / 88,399.08-132,467.40-68,580

Finding the Fourth Proportional to 88,399.08, 132,467.40 and 68,580

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Solution

The fourth proportional to 88,399.08, 132,467.40 and 68,580 is: 102,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,399.08 : 132,467.40 = 68,580 : x
  2. Step 2: Convert to fraction form
    88,399.08/132,467.40 = 68,580/x
  3. Step 3: Cross multiply
    88,399.08x = 132,467.40 × 68,580
  4. Step 4: Simplify right side
    88,399.08x = 9,084,614,292
  5. Step 5: Solve for x
    x = 9,084,614,292/88,399.08
  6. Step 6: Final answer
    x = 102,768.20

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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.