Home / 190,097.24-285,174.66-137,900.60

Finding the Fourth Proportional to 190,097.24, 285,174.66 and 137,900.60

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Solution

The fourth proportional to 190,097.24, 285,174.66 and 137,900.60 is: 206,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,097.24 : 285,174.66 = 137,900.60 : x
  2. Step 2: Convert to fraction form
    190,097.24/285,174.66 = 137,900.60/x
  3. Step 3: Cross multiply
    190,097.24x = 285,174.66 × 137,900.60
  4. Step 4: Simplify right side
    190,097.24x = 39,325,756,718.80
  5. Step 5: Solve for x
    x = 39,325,756,718.80/190,097.24
  6. Step 6: Final answer
    x = 206,871.79

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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.