Home / 148,119.62-204,404.75-80,136.38

Finding the Fourth Proportional to 148,119.62, 204,404.75 and 80,136.38

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Solution

The fourth proportional to 148,119.62, 204,404.75 and 80,136.38 is: 110,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,119.62 : 204,404.75 = 80,136.38 : x
  2. Step 2: Convert to fraction form
    148,119.62/204,404.75 = 80,136.38/x
  3. Step 3: Cross multiply
    148,119.62x = 204,404.75 × 80,136.38
  4. Step 4: Simplify right side
    148,119.62x = 16,380,257,431.16
  5. Step 5: Solve for x
    x = 16,380,257,431.16/148,119.62
  6. Step 6: Final answer
    x = 110,588.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.