Home / 165,611.33-228,544.49-90,160.37

Finding the Fourth Proportional to 165,611.33, 228,544.49 and 90,160.37

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Solution

The fourth proportional to 165,611.33, 228,544.49 and 90,160.37 is: 124,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,611.33 : 228,544.49 = 90,160.37 : x
  2. Step 2: Convert to fraction form
    165,611.33/228,544.49 = 90,160.37/x
  3. Step 3: Cross multiply
    165,611.33x = 228,544.49 × 90,160.37
  4. Step 4: Simplify right side
    165,611.33x = 20,605,655,779.86
  5. Step 5: Solve for x
    x = 20,605,655,779.86/165,611.33
  6. Step 6: Final answer
    x = 124,421.78

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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.