Home / 213,129.02-294,097.09-117,629.56

Finding the Fourth Proportional to 213,129.02, 294,097.09 and 117,629.56

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Solution

The fourth proportional to 213,129.02, 294,097.09 and 117,629.56 is: 162,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,129.02 : 294,097.09 = 117,629.56 : x
  2. Step 2: Convert to fraction form
    213,129.02/294,097.09 = 117,629.56/x
  3. Step 3: Cross multiply
    213,129.02x = 294,097.09 × 117,629.56
  4. Step 4: Simplify right side
    213,129.02x = 34,594,511,293.98
  5. Step 5: Solve for x
    x = 34,594,511,293.98/213,129.02
  6. Step 6: Final answer
    x = 162,317.23

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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.