Home / 201,684.06-302,515.14-61,431.78

Finding the Fourth Proportional to 201,684.06, 302,515.14 and 61,431.78

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Solution

The fourth proportional to 201,684.06, 302,515.14 and 61,431.78 is: 92,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,684.06 : 302,515.14 = 61,431.78 : x
  2. Step 2: Convert to fraction form
    201,684.06/302,515.14 = 61,431.78/x
  3. Step 3: Cross multiply
    201,684.06x = 302,515.14 × 61,431.78
  4. Step 4: Simplify right side
    201,684.06x = 18,584,043,527.15
  5. Step 5: Solve for x
    x = 18,584,043,527.15/201,684.06
  6. Step 6: Final answer
    x = 92,144.33

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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.