Home / 271,086.14-406,594.51-71,421.95

Finding the Fourth Proportional to 271,086.14, 406,594.51 and 71,421.95

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Solution

The fourth proportional to 271,086.14, 406,594.51 and 71,421.95 is: 107,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,086.14 : 406,594.51 = 71,421.95 : x
  2. Step 2: Convert to fraction form
    271,086.14/406,594.51 = 71,421.95/x
  3. Step 3: Cross multiply
    271,086.14x = 406,594.51 × 71,421.95
  4. Step 4: Simplify right side
    271,086.14x = 29,039,772,763.49
  5. Step 5: Solve for x
    x = 29,039,772,763.49/271,086.14
  6. Step 6: Final answer
    x = 107,123.78

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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.