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Finding the Fourth Proportional to 207,364.52, 286,163.46 and 117,940.52

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Solution

The fourth proportional to 207,364.52, 286,163.46 and 117,940.52 is: 162,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,364.52 : 286,163.46 = 117,940.52 : x
  2. Step 2: Convert to fraction form
    207,364.52/286,163.46 = 117,940.52/x
  3. Step 3: Cross multiply
    207,364.52x = 286,163.46 × 117,940.52
  4. Step 4: Simplify right side
    207,364.52x = 33,750,267,277.40
  5. Step 5: Solve for x
    x = 33,750,267,277.40/207,364.52
  6. Step 6: Final answer
    x = 162,758.16

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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.