Home / 165,230.83-228,019.94-89,779.33

Finding the Fourth Proportional to 165,230.83, 228,019.94 and 89,779.33

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Solution

The fourth proportional to 165,230.83, 228,019.94 and 89,779.33 is: 123,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,230.83 : 228,019.94 = 89,779.33 : x
  2. Step 2: Convert to fraction form
    165,230.83/228,019.94 = 89,779.33/x
  3. Step 3: Cross multiply
    165,230.83x = 228,019.94 × 89,779.33
  4. Step 4: Simplify right side
    165,230.83x = 20,471,477,439.84
  5. Step 5: Solve for x
    x = 20,471,477,439.84/165,230.83
  6. Step 6: Final answer
    x = 123,896.23

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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.