Home / 201,985.03-303,065.07-108,381.43

Finding the Fourth Proportional to 201,985.03, 303,065.07 and 108,381.43

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Solution

The fourth proportional to 201,985.03, 303,065.07 and 108,381.43 is: 162,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,985.03 : 303,065.07 = 108,381.43 : x
  2. Step 2: Convert to fraction form
    201,985.03/303,065.07 = 108,381.43/x
  3. Step 3: Cross multiply
    201,985.03x = 303,065.07 × 108,381.43
  4. Step 4: Simplify right side
    201,985.03x = 32,846,625,669.65
  5. Step 5: Solve for x
    x = 32,846,625,669.65/201,985.03
  6. Step 6: Final answer
    x = 162,619.11

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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.