Home / 203,237.20-280,463.54-122,668.12

Finding the Fourth Proportional to 203,237.20, 280,463.54 and 122,668.12

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Solution

The fourth proportional to 203,237.20, 280,463.54 and 122,668.12 is: 169,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,237.20 : 280,463.54 = 122,668.12 : x
  2. Step 2: Convert to fraction form
    203,237.20/280,463.54 = 122,668.12/x
  3. Step 3: Cross multiply
    203,237.20x = 280,463.54 × 122,668.12
  4. Step 4: Simplify right side
    203,237.20x = 34,403,935,180.34
  5. Step 5: Solve for x
    x = 34,403,935,180.34/203,237.20
  6. Step 6: Final answer
    x = 169,279.71

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1.5x scale

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.