Home / 201,634.20-302,321.70-83,352.60

Finding the Fourth Proportional to 201,634.20, 302,321.70 and 83,352.60

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Solution

The fourth proportional to 201,634.20, 302,321.70 and 83,352.60 is: 124,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,634.20 : 302,321.70 = 83,352.60 : x
  2. Step 2: Convert to fraction form
    201,634.20/302,321.70 = 83,352.60/x
  3. Step 3: Cross multiply
    201,634.20x = 302,321.70 × 83,352.60
  4. Step 4: Simplify right side
    201,634.20x = 25,199,299,731.42
  5. Step 5: Solve for x
    x = 25,199,299,731.42/201,634.20
  6. Step 6: Final answer
    x = 124,975.33

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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.