Home / 201,769.10-302,566.10-68,613.60

Finding the Fourth Proportional to 201,769.10, 302,566.10 and 68,613.60

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Solution

The fourth proportional to 201,769.10, 302,566.10 and 68,613.60 is: 102,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,769.10 : 302,566.10 = 68,613.60 : x
  2. Step 2: Convert to fraction form
    201,769.10/302,566.10 = 68,613.60/x
  3. Step 3: Cross multiply
    201,769.10x = 302,566.10 × 68,613.60
  4. Step 4: Simplify right side
    201,769.10x = 20,760,149,015.89
  5. Step 5: Solve for x
    x = 20,760,149,015.89/201,769.10
  6. Step 6: Final answer
    x = 102,890.63

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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.