Home / 165,284.78-228,091.29-89,832.74

Finding the Fourth Proportional to 165,284.78, 228,091.29 and 89,832.74

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Solution

The fourth proportional to 165,284.78, 228,091.29 and 89,832.74 is: 123,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,284.78 : 228,091.29 = 89,832.74 : x
  2. Step 2: Convert to fraction form
    165,284.78/228,091.29 = 89,832.74/x
  3. Step 3: Cross multiply
    165,284.78x = 228,091.29 × 89,832.74
  4. Step 4: Simplify right side
    165,284.78x = 20,490,065,550.83
  5. Step 5: Solve for x
    x = 20,490,065,550.83/165,284.78
  6. Step 6: Final answer
    x = 123,968.25

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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.