Home / 91,147.07-125,789.18-50,868.60

Finding the Fourth Proportional to 91,147.07, 125,789.18 and 50,868.60

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Solution

The fourth proportional to 91,147.07, 125,789.18 and 50,868.60 is: 70,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,147.07 : 125,789.18 = 50,868.60 : x
  2. Step 2: Convert to fraction form
    91,147.07/125,789.18 = 50,868.60/x
  3. Step 3: Cross multiply
    91,147.07x = 125,789.18 × 50,868.60
  4. Step 4: Simplify right side
    91,147.07x = 6,398,719,227.41
  5. Step 5: Solve for x
    x = 6,398,719,227.41/91,147.07
  6. Step 6: Final answer
    x = 70,202.14

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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.