Home / 198,164.21-273,345.63-117,537.72

Finding the Fourth Proportional to 198,164.21, 273,345.63 and 117,537.72

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Solution

The fourth proportional to 198,164.21, 273,345.63 and 117,537.72 is: 162,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,164.21 : 273,345.63 = 117,537.72 : x
  2. Step 2: Convert to fraction form
    198,164.21/273,345.63 = 117,537.72/x
  3. Step 3: Cross multiply
    198,164.21x = 273,345.63 × 117,537.72
  4. Step 4: Simplify right side
    198,164.21x = 32,128,422,122.16
  5. Step 5: Solve for x
    x = 32,128,422,122.16/198,164.21
  6. Step 6: Final answer
    x = 162,130.30

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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.