Home / 250,644.87-345,890.01-135,923.48

Finding the Fourth Proportional to 250,644.87, 345,890.01 and 135,923.48

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Solution

The fourth proportional to 250,644.87, 345,890.01 and 135,923.48 is: 187,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,644.87 : 345,890.01 = 135,923.48 : x
  2. Step 2: Convert to fraction form
    250,644.87/345,890.01 = 135,923.48/x
  3. Step 3: Cross multiply
    250,644.87x = 345,890.01 × 135,923.48
  4. Step 4: Simplify right side
    250,644.87x = 47,014,571,447.37
  5. Step 5: Solve for x
    x = 47,014,571,447.37/250,644.87
  6. Step 6: Final answer
    x = 187,574.45

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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.