Home / 141,217.26-195,006.40-105,345

Finding the Fourth Proportional to 141,217.26, 195,006.40 and 105,345

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Solution

The fourth proportional to 141,217.26, 195,006.40 and 105,345 is: 145,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,217.26 : 195,006.40 = 105,345 : x
  2. Step 2: Convert to fraction form
    141,217.26/195,006.40 = 105,345/x
  3. Step 3: Cross multiply
    141,217.26x = 195,006.40 × 105,345
  4. Step 4: Simplify right side
    141,217.26x = 20,542,949,208
  5. Step 5: Solve for x
    x = 20,542,949,208/141,217.26
  6. Step 6: Final answer
    x = 145,470.53

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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.