Home / 151,942.92-209,670.39-83,959.14

Finding the Fourth Proportional to 151,942.92, 209,670.39 and 83,959.14

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Solution

The fourth proportional to 151,942.92, 209,670.39 and 83,959.14 is: 115,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,942.92 : 209,670.39 = 83,959.14 : x
  2. Step 2: Convert to fraction form
    151,942.92/209,670.39 = 83,959.14/x
  3. Step 3: Cross multiply
    151,942.92x = 209,670.39 × 83,959.14
  4. Step 4: Simplify right side
    151,942.92x = 17,603,745,627.86
  5. Step 5: Solve for x
    x = 17,603,745,627.86/151,942.92
  6. Step 6: Final answer
    x = 115,857.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.