Home / 135,933.24-203,900-51,673.60

Finding the Fourth Proportional to 135,933.24, 203,900 and 51,673.60

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Solution

The fourth proportional to 135,933.24, 203,900 and 51,673.60 is: 77,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,933.24 : 203,900 = 51,673.60 : x
  2. Step 2: Convert to fraction form
    135,933.24/203,900 = 51,673.60/x
  3. Step 3: Cross multiply
    135,933.24x = 203,900 × 51,673.60
  4. Step 4: Simplify right side
    135,933.24x = 10,536,247,040
  5. Step 5: Solve for x
    x = 10,536,247,040/135,933.24
  6. Step 6: Final answer
    x = 77,510.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.