Home / 68,186.47-102,293.57-28,743.52

Finding the Fourth Proportional to 68,186.47, 102,293.57 and 28,743.52

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Solution

The fourth proportional to 68,186.47, 102,293.57 and 28,743.52 is: 43,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,186.47 : 102,293.57 = 28,743.52 : x
  2. Step 2: Convert to fraction form
    68,186.47/102,293.57 = 28,743.52/x
  3. Step 3: Cross multiply
    68,186.47x = 102,293.57 × 28,743.52
  4. Step 4: Simplify right side
    68,186.47x = 2,940,277,275.17
  5. Step 5: Solve for x
    x = 2,940,277,275.17/68,186.47
  6. Step 6: Final answer
    x = 43,121.12

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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.