Home / 165,344.31-228,173.90-89,893.35

Finding the Fourth Proportional to 165,344.31, 228,173.90 and 89,893.35

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Solution

The fourth proportional to 165,344.31, 228,173.90 and 89,893.35 is: 124,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,344.31 : 228,173.90 = 89,893.35 : x
  2. Step 2: Convert to fraction form
    165,344.31/228,173.90 = 89,893.35/x
  3. Step 3: Cross multiply
    165,344.31x = 228,173.90 × 89,893.35
  4. Step 4: Simplify right side
    165,344.31x = 20,511,315,804.10
  5. Step 5: Solve for x
    x = 20,511,315,804.10/165,344.31
  6. Step 6: Final answer
    x = 124,052.14

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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.