Home / 91,181.58-125,836.92-50,903.21

Finding the Fourth Proportional to 91,181.58, 125,836.92 and 50,903.21

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Solution

The fourth proportional to 91,181.58, 125,836.92 and 50,903.21 is: 70,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.58 : 125,836.92 = 50,903.21 : x
  2. Step 2: Convert to fraction form
    91,181.58/125,836.92 = 50,903.21/x
  3. Step 3: Cross multiply
    91,181.58x = 125,836.92 × 50,903.21
  4. Step 4: Simplify right side
    91,181.58x = 6,405,502,535.33
  5. Step 5: Solve for x
    x = 6,405,502,535.33/91,181.58
  6. Step 6: Final answer
    x = 70,249.96

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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.