Home / 165,633.16-228,574.02-90,181.96

Finding the Fourth Proportional to 165,633.16, 228,574.02 and 90,181.96

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Solution

The fourth proportional to 165,633.16, 228,574.02 and 90,181.96 is: 124,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,633.16 : 228,574.02 = 90,181.96 : x
  2. Step 2: Convert to fraction form
    165,633.16/228,574.02 = 90,181.96/x
  3. Step 3: Cross multiply
    165,633.16x = 228,574.02 × 90,181.96
  4. Step 4: Simplify right side
    165,633.16x = 20,613,253,128.68
  5. Step 5: Solve for x
    x = 20,613,253,128.68/165,633.16
  6. Step 6: Final answer
    x = 124,451.25

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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.