Home / 165,723.84-248,619.78-53,418.96

Finding the Fourth Proportional to 165,723.84, 248,619.78 and 53,418.96

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Solution

The fourth proportional to 165,723.84, 248,619.78 and 53,418.96 is: 80,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,723.84 : 248,619.78 = 53,418.96 : x
  2. Step 2: Convert to fraction form
    165,723.84/248,619.78 = 53,418.96/x
  3. Step 3: Cross multiply
    165,723.84x = 248,619.78 × 53,418.96
  4. Step 4: Simplify right side
    165,723.84x = 13,281,010,083.03
  5. Step 5: Solve for x
    x = 13,281,010,083.03/165,723.84
  6. Step 6: Final answer
    x = 80,139.41

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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.