Home / 201,618.20-302,427.30-131,576.60

Finding the Fourth Proportional to 201,618.20, 302,427.30 and 131,576.60

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Solution

The fourth proportional to 201,618.20, 302,427.30 and 131,576.60 is: 197,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,618.20 : 302,427.30 = 131,576.60 : x
  2. Step 2: Convert to fraction form
    201,618.20/302,427.30 = 131,576.60/x
  3. Step 3: Cross multiply
    201,618.20x = 302,427.30 × 131,576.60
  4. Step 4: Simplify right side
    201,618.20x = 39,792,355,881.18
  5. Step 5: Solve for x
    x = 39,792,355,881.18/201,618.20
  6. Step 6: Final answer
    x = 197,364.90

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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.