Home / 202,639.56-279,677.32-117,805.83

Finding the Fourth Proportional to 202,639.56, 279,677.32 and 117,805.83

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Solution

The fourth proportional to 202,639.56, 279,677.32 and 117,805.83 is: 162,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,639.56 : 279,677.32 = 117,805.83 : x
  2. Step 2: Convert to fraction form
    202,639.56/279,677.32 = 117,805.83/x
  3. Step 3: Cross multiply
    202,639.56x = 279,677.32 × 117,805.83
  4. Step 4: Simplify right side
    202,639.56x = 32,947,618,520.26
  5. Step 5: Solve for x
    x = 32,947,618,520.26/202,639.56
  6. Step 6: Final answer
    x = 162,592.23

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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.