Home / 91,144.02-125,778.60-50,855.34

Finding the Fourth Proportional to 91,144.02, 125,778.60 and 50,855.34

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Solution

The fourth proportional to 91,144.02, 125,778.60 and 50,855.34 is: 70,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,144.02 : 125,778.60 = 50,855.34 : x
  2. Step 2: Convert to fraction form
    91,144.02/125,778.60 = 50,855.34/x
  3. Step 3: Cross multiply
    91,144.02x = 125,778.60 × 50,855.34
  4. Step 4: Simplify right side
    91,144.02x = 6,396,513,467.72
  5. Step 5: Solve for x
    x = 6,396,513,467.72/91,144.02
  6. Step 6: Final answer
    x = 70,180.29

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1.5x scale

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.