Home / 245,112.20-367,668.30-161,131.40

Finding the Fourth Proportional to 245,112.20, 367,668.30 and 161,131.40

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Solution

The fourth proportional to 245,112.20, 367,668.30 and 161,131.40 is: 241,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,112.20 : 367,668.30 = 161,131.40 : x
  2. Step 2: Convert to fraction form
    245,112.20/367,668.30 = 161,131.40/x
  3. Step 3: Cross multiply
    245,112.20x = 367,668.30 × 161,131.40
  4. Step 4: Simplify right side
    245,112.20x = 59,242,907,914.62
  5. Step 5: Solve for x
    x = 59,242,907,914.62/245,112.20
  6. Step 6: Final answer
    x = 241,697.10

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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.