Home / 216,122.48-323,961.96-82,966.88

Finding the Fourth Proportional to 216,122.48, 323,961.96 and 82,966.88

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Solution

The fourth proportional to 216,122.48, 323,961.96 and 82,966.88 is: 124,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,122.48 : 323,961.96 = 82,966.88 : x
  2. Step 2: Convert to fraction form
    216,122.48/323,961.96 = 82,966.88/x
  3. Step 3: Cross multiply
    216,122.48x = 323,961.96 × 82,966.88
  4. Step 4: Simplify right side
    216,122.48x = 26,878,113,059.88
  5. Step 5: Solve for x
    x = 26,878,113,059.88/216,122.48
  6. Step 6: Final answer
    x = 124,365.19

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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.