Home / 165,670.20-248,505.30-143,119.80

Finding the Fourth Proportional to 165,670.20, 248,505.30 and 143,119.80

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Solution

The fourth proportional to 165,670.20, 248,505.30 and 143,119.80 is: 214,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,670.20 : 248,505.30 = 143,119.80 : x
  2. Step 2: Convert to fraction form
    165,670.20/248,505.30 = 143,119.80/x
  3. Step 3: Cross multiply
    165,670.20x = 248,505.30 × 143,119.80
  4. Step 4: Simplify right side
    165,670.20x = 35,566,028,834.94
  5. Step 5: Solve for x
    x = 35,566,028,834.94/165,670.20
  6. Step 6: Final answer
    x = 214,679.70

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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.