Home / 219,473.75-302,898.36-123,986.60

Finding the Fourth Proportional to 219,473.75, 302,898.36 and 123,986.60

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Solution

The fourth proportional to 219,473.75, 302,898.36 and 123,986.60 is: 171,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,473.75 : 302,898.36 = 123,986.60 : x
  2. Step 2: Convert to fraction form
    219,473.75/302,898.36 = 123,986.60/x
  3. Step 3: Cross multiply
    219,473.75x = 302,898.36 × 123,986.60
  4. Step 4: Simplify right side
    219,473.75x = 37,555,336,287.48
  5. Step 5: Solve for x
    x = 37,555,336,287.48/219,473.75
  6. Step 6: Final answer
    x = 171,115.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.