Home / 194,569.20-268,464.56-118,128.47

Finding the Fourth Proportional to 194,569.20, 268,464.56 and 118,128.47

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Solution

The fourth proportional to 194,569.20, 268,464.56 and 118,128.47 is: 162,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,569.20 : 268,464.56 = 118,128.47 : x
  2. Step 2: Convert to fraction form
    194,569.20/268,464.56 = 118,128.47/x
  3. Step 3: Cross multiply
    194,569.20x = 268,464.56 × 118,128.47
  4. Step 4: Simplify right side
    194,569.20x = 31,713,305,789.06
  5. Step 5: Solve for x
    x = 31,713,305,789.06/194,569.20
  6. Step 6: Final answer
    x = 162,992.43

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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.