Home / 203,237.58-280,464.06-122,668.50

Finding the Fourth Proportional to 203,237.58, 280,464.06 and 122,668.50

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Solution

The fourth proportional to 203,237.58, 280,464.06 and 122,668.50 is: 169,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,237.58 : 280,464.06 = 122,668.50 : x
  2. Step 2: Convert to fraction form
    203,237.58/280,464.06 = 122,668.50/x
  3. Step 3: Cross multiply
    203,237.58x = 280,464.06 × 122,668.50
  4. Step 4: Simplify right side
    203,237.58x = 34,404,105,544.11
  5. Step 5: Solve for x
    x = 34,404,105,544.11/203,237.58
  6. Step 6: Final answer
    x = 169,280.24

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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.