Home / 207,982.26-287,015.46-112,488.94

Finding the Fourth Proportional to 207,982.26, 287,015.46 and 112,488.94

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Solution

The fourth proportional to 207,982.26, 287,015.46 and 112,488.94 is: 155,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,982.26 : 287,015.46 = 112,488.94 : x
  2. Step 2: Convert to fraction form
    207,982.26/287,015.46 = 112,488.94/x
  3. Step 3: Cross multiply
    207,982.26x = 287,015.46 × 112,488.94
  4. Step 4: Simplify right side
    207,982.26x = 32,286,064,859.01
  5. Step 5: Solve for x
    x = 32,286,064,859.01/207,982.26
  6. Step 6: Final answer
    x = 155,234.71

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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.