Home / 165,477.78-228,360.33-90,026.82

Finding the Fourth Proportional to 165,477.78, 228,360.33 and 90,026.82

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Solution

The fourth proportional to 165,477.78, 228,360.33 and 90,026.82 is: 124,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,477.78 : 228,360.33 = 90,026.82 : x
  2. Step 2: Convert to fraction form
    165,477.78/228,360.33 = 90,026.82/x
  3. Step 3: Cross multiply
    165,477.78x = 228,360.33 × 90,026.82
  4. Step 4: Simplify right side
    165,477.78x = 20,558,554,324.05
  5. Step 5: Solve for x
    x = 20,558,554,324.05/165,477.78
  6. Step 6: Final answer
    x = 124,237.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.