Home / 203,629.02-305,443.56-63,387.72

Finding the Fourth Proportional to 203,629.02, 305,443.56 and 63,387.72

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Solution

The fourth proportional to 203,629.02, 305,443.56 and 63,387.72 is: 95,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,629.02 : 305,443.56 = 63,387.72 : x
  2. Step 2: Convert to fraction form
    203,629.02/305,443.56 = 63,387.72/x
  3. Step 3: Cross multiply
    203,629.02x = 305,443.56 × 63,387.72
  4. Step 4: Simplify right side
    203,629.02x = 19,361,370,857.08
  5. Step 5: Solve for x
    x = 19,361,370,857.08/203,629.02
  6. Step 6: Final answer
    x = 95,081.59

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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.