Home / 165,237.35-228,028.91-89,785.85

Finding the Fourth Proportional to 165,237.35, 228,028.91 and 89,785.85

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Solution

The fourth proportional to 165,237.35, 228,028.91 and 89,785.85 is: 123,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,237.35 : 228,028.91 = 89,785.85 : x
  2. Step 2: Convert to fraction form
    165,237.35/228,028.91 = 89,785.85/x
  3. Step 3: Cross multiply
    165,237.35x = 228,028.91 × 89,785.85
  4. Step 4: Simplify right side
    165,237.35x = 20,473,767,919.85
  5. Step 5: Solve for x
    x = 20,473,767,919.85/165,237.35
  6. Step 6: Final answer
    x = 123,905.21

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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.