Home / 115,182.20-172,796.79-65,284.58

Finding the Fourth Proportional to 115,182.20, 172,796.79 and 65,284.58

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Solution

The fourth proportional to 115,182.20, 172,796.79 and 65,284.58 is: 97,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182.20 : 172,796.79 = 65,284.58 : x
  2. Step 2: Convert to fraction form
    115,182.20/172,796.79 = 65,284.58/x
  3. Step 3: Cross multiply
    115,182.20x = 172,796.79 × 65,284.58
  4. Step 4: Simplify right side
    115,182.20x = 11,280,966,537.31
  5. Step 5: Solve for x
    x = 11,280,966,537.31/115,182.20
  6. Step 6: Final answer
    x = 97,940.19

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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.