Home / 88,181.84-132,270-21,622.16

Finding the Fourth Proportional to 88,181.84, 132,270 and 21,622.16

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Solution

The fourth proportional to 88,181.84, 132,270 and 21,622.16 is: 32,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,181.84 : 132,270 = 21,622.16 : x
  2. Step 2: Convert to fraction form
    88,181.84/132,270 = 21,622.16/x
  3. Step 3: Cross multiply
    88,181.84x = 132,270 × 21,622.16
  4. Step 4: Simplify right side
    88,181.84x = 2,859,963,103.20
  5. Step 5: Solve for x
    x = 2,859,963,103.20/88,181.84
  6. Step 6: Final answer
    x = 32,432.56

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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.