Home / 271,128.30-406,692.45-131,160.30

Finding the Fourth Proportional to 271,128.30, 406,692.45 and 131,160.30

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Solution

The fourth proportional to 271,128.30, 406,692.45 and 131,160.30 is: 196,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,128.30 : 406,692.45 = 131,160.30 : x
  2. Step 2: Convert to fraction form
    271,128.30/406,692.45 = 131,160.30/x
  3. Step 3: Cross multiply
    271,128.30x = 406,692.45 × 131,160.30
  4. Step 4: Simplify right side
    271,128.30x = 53,341,903,749.74
  5. Step 5: Solve for x
    x = 53,341,903,749.74/271,128.30
  6. Step 6: Final answer
    x = 196,740.45

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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.