Home / 165,608.83-228,541.05-90,157.87

Finding the Fourth Proportional to 165,608.83, 228,541.05 and 90,157.87

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Solution

The fourth proportional to 165,608.83, 228,541.05 and 90,157.87 is: 124,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,608.83 : 228,541.05 = 90,157.87 : x
  2. Step 2: Convert to fraction form
    165,608.83/228,541.05 = 90,157.87/x
  3. Step 3: Cross multiply
    165,608.83x = 228,541.05 × 90,157.87
  4. Step 4: Simplify right side
    165,608.83x = 20,604,772,682.07
  5. Step 5: Solve for x
    x = 20,604,772,682.07/165,608.83
  6. Step 6: Final answer
    x = 124,418.33

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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.