Home / 91,136.09-125,768.15-50,851.55

Finding the Fourth Proportional to 91,136.09, 125,768.15 and 50,851.55

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Solution

The fourth proportional to 91,136.09, 125,768.15 and 50,851.55 is: 70,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,136.09 : 125,768.15 = 50,851.55 : x
  2. Step 2: Convert to fraction form
    91,136.09/125,768.15 = 50,851.55/x
  3. Step 3: Cross multiply
    91,136.09x = 125,768.15 × 50,851.55
  4. Step 4: Simplify right side
    91,136.09x = 6,395,504,485.03
  5. Step 5: Solve for x
    x = 6,395,504,485.03/91,136.09
  6. Step 6: Final answer
    x = 70,175.33

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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.