Home / 202,414.18-279,356.19-117,531.24

Finding the Fourth Proportional to 202,414.18, 279,356.19 and 117,531.24

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Solution

The fourth proportional to 202,414.18, 279,356.19 and 117,531.24 is: 162,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,414.18 : 279,356.19 = 117,531.24 : x
  2. Step 2: Convert to fraction form
    202,414.18/279,356.19 = 117,531.24/x
  3. Step 3: Cross multiply
    202,414.18x = 279,356.19 × 117,531.24
  4. Step 4: Simplify right side
    202,414.18x = 32,833,078,015.59
  5. Step 5: Solve for x
    x = 32,833,078,015.59/202,414.18
  6. Step 6: Final answer
    x = 162,207.40

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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.