Home / 91,130.42-125,759.57-50,844.23

Finding the Fourth Proportional to 91,130.42, 125,759.57 and 50,844.23

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Solution

The fourth proportional to 91,130.42, 125,759.57 and 50,844.23 is: 70,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.42 : 125,759.57 = 50,844.23 : x
  2. Step 2: Convert to fraction form
    91,130.42/125,759.57 = 50,844.23/x
  3. Step 3: Cross multiply
    91,130.42x = 125,759.57 × 50,844.23
  4. Step 4: Simplify right side
    91,130.42x = 6,394,147,618.76
  5. Step 5: Solve for x
    x = 6,394,147,618.76/91,130.42
  6. Step 6: Final answer
    x = 70,164.80

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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.