Home / 271,140.30-406,710.45-131,172.30

Finding the Fourth Proportional to 271,140.30, 406,710.45 and 131,172.30

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Solution

The fourth proportional to 271,140.30, 406,710.45 and 131,172.30 is: 196,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,140.30 : 406,710.45 = 131,172.30 : x
  2. Step 2: Convert to fraction form
    271,140.30/406,710.45 = 131,172.30/x
  3. Step 3: Cross multiply
    271,140.30x = 406,710.45 × 131,172.30
  4. Step 4: Simplify right side
    271,140.30x = 53,349,145,160.54
  5. Step 5: Solve for x
    x = 53,349,145,160.54/271,140.30
  6. Step 6: Final answer
    x = 196,758.45

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1.5x scale

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.