Home / 165,492.10-248,236.75-47,163.79

Finding the Fourth Proportional to 165,492.10, 248,236.75 and 47,163.79

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Solution

The fourth proportional to 165,492.10, 248,236.75 and 47,163.79 is: 70,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,492.10 : 248,236.75 = 47,163.79 : x
  2. Step 2: Convert to fraction form
    165,492.10/248,236.75 = 47,163.79/x
  3. Step 3: Cross multiply
    165,492.10x = 248,236.75 × 47,163.79
  4. Step 4: Simplify right side
    165,492.10x = 11,707,785,947.28
  5. Step 5: Solve for x
    x = 11,707,785,947.28/165,492.10
  6. Step 6: Final answer
    x = 70,745.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.