Home / 165,621.50-248,471.40-54,813.50

Finding the Fourth Proportional to 165,621.50, 248,471.40 and 54,813.50

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Solution

The fourth proportional to 165,621.50, 248,471.40 and 54,813.50 is: 82,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,621.50 : 248,471.40 = 54,813.50 : x
  2. Step 2: Convert to fraction form
    165,621.50/248,471.40 = 54,813.50/x
  3. Step 3: Cross multiply
    165,621.50x = 248,471.40 × 54,813.50
  4. Step 4: Simplify right side
    165,621.50x = 13,619,587,083.90
  5. Step 5: Solve for x
    x = 13,619,587,083.90/165,621.50
  6. Step 6: Final answer
    x = 82,233.21

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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.