Home / 277,139.16-415,716.48-90,150.66

Finding the Fourth Proportional to 277,139.16, 415,716.48 and 90,150.66

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Solution

The fourth proportional to 277,139.16, 415,716.48 and 90,150.66 is: 135,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,139.16 : 415,716.48 = 90,150.66 : x
  2. Step 2: Convert to fraction form
    277,139.16/415,716.48 = 90,150.66/x
  3. Step 3: Cross multiply
    277,139.16x = 415,716.48 × 90,150.66
  4. Step 4: Simplify right side
    277,139.16x = 37,477,115,044.88
  5. Step 5: Solve for x
    x = 37,477,115,044.88/277,139.16
  6. Step 6: Final answer
    x = 135,228.51

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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.