Home / 155,578.27-214,700.75-91,915.92

Finding the Fourth Proportional to 155,578.27, 214,700.75 and 91,915.92

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Solution

The fourth proportional to 155,578.27, 214,700.75 and 91,915.92 is: 126,845.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,578.27 : 214,700.75 = 91,915.92 : x
  2. Step 2: Convert to fraction form
    155,578.27/214,700.75 = 91,915.92/x
  3. Step 3: Cross multiply
    155,578.27x = 214,700.75 × 91,915.92
  4. Step 4: Simplify right side
    155,578.27x = 19,734,416,960.94
  5. Step 5: Solve for x
    x = 19,734,416,960.94/155,578.27
  6. Step 6: Final answer
    x = 126,845.59

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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.