Home / 91,156.88-125,796.78-50,872.34

Finding the Fourth Proportional to 91,156.88, 125,796.78 and 50,872.34

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Solution

The fourth proportional to 91,156.88, 125,796.78 and 50,872.34 is: 70,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,156.88 : 125,796.78 = 50,872.34 : x
  2. Step 2: Convert to fraction form
    91,156.88/125,796.78 = 50,872.34/x
  3. Step 3: Cross multiply
    91,156.88x = 125,796.78 × 50,872.34
  4. Step 4: Simplify right side
    91,156.88x = 6,399,576,563.07
  5. Step 5: Solve for x
    x = 6,399,576,563.07/91,156.88
  6. Step 6: Final answer
    x = 70,203.99

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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.