Home / 165,821.80-248,732.70-60,716.20

Finding the Fourth Proportional to 165,821.80, 248,732.70 and 60,716.20

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Solution

The fourth proportional to 165,821.80, 248,732.70 and 60,716.20 is: 91,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,821.80 : 248,732.70 = 60,716.20 : x
  2. Step 2: Convert to fraction form
    165,821.80/248,732.70 = 60,716.20/x
  3. Step 3: Cross multiply
    165,821.80x = 248,732.70 × 60,716.20
  4. Step 4: Simplify right side
    165,821.80x = 15,102,104,359.74
  5. Step 5: Solve for x
    x = 15,102,104,359.74/165,821.80
  6. Step 6: Final answer
    x = 91,074.30

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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.