Home / 165,611.58-228,548.07-90,164.22

Finding the Fourth Proportional to 165,611.58, 228,548.07 and 90,164.22

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Solution

The fourth proportional to 165,611.58, 228,548.07 and 90,164.22 is: 124,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,611.58 : 228,548.07 = 90,164.22 : x
  2. Step 2: Convert to fraction form
    165,611.58/228,548.07 = 90,164.22/x
  3. Step 3: Cross multiply
    165,611.58x = 228,548.07 × 90,164.22
  4. Step 4: Simplify right side
    165,611.58x = 20,606,858,464.06
  5. Step 5: Solve for x
    x = 20,606,858,464.06/165,611.58
  6. Step 6: Final answer
    x = 124,428.85

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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.