Home / 277,134.41-415,709.36-90,145.91

Finding the Fourth Proportional to 277,134.41, 415,709.36 and 90,145.91

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Solution

The fourth proportional to 277,134.41, 415,709.36 and 90,145.91 is: 135,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,134.41 : 415,709.36 = 90,145.91 : x
  2. Step 2: Convert to fraction form
    277,134.41/415,709.36 = 90,145.91/x
  3. Step 3: Cross multiply
    277,134.41x = 415,709.36 × 90,145.91
  4. Step 4: Simplify right side
    277,134.41x = 37,474,496,023.44
  5. Step 5: Solve for x
    x = 37,474,496,023.44/277,134.41
  6. Step 6: Final answer
    x = 135,221.38

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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.