Home / 195,140.25-269,293.91-105,716.25

Finding the Fourth Proportional to 195,140.25, 269,293.91 and 105,716.25

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Solution

The fourth proportional to 195,140.25, 269,293.91 and 105,716.25 is: 145,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,140.25 : 269,293.91 = 105,716.25 : x
  2. Step 2: Convert to fraction form
    195,140.25/269,293.91 = 105,716.25/x
  3. Step 3: Cross multiply
    195,140.25x = 269,293.91 × 105,716.25
  4. Step 4: Simplify right side
    195,140.25x = 28,468,741,784.46
  5. Step 5: Solve for x
    x = 28,468,741,784.46/195,140.25
  6. Step 6: Final answer
    x = 145,888.62

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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.