Home / 165,032.72-227,745.40-89,581.28

Finding the Fourth Proportional to 165,032.72, 227,745.40 and 89,581.28

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Solution

The fourth proportional to 165,032.72, 227,745.40 and 89,581.28 is: 123,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,032.72 : 227,745.40 = 89,581.28 : x
  2. Step 2: Convert to fraction form
    165,032.72/227,745.40 = 89,581.28/x
  3. Step 3: Cross multiply
    165,032.72x = 227,745.40 × 89,581.28
  4. Step 4: Simplify right side
    165,032.72x = 20,401,724,446.11
  5. Step 5: Solve for x
    x = 20,401,724,446.11/165,032.72
  6. Step 6: Final answer
    x = 123,622.30

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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.