Home / 137,948.37-207,067.34-122,253.81

Finding the Fourth Proportional to 137,948.37, 207,067.34 and 122,253.81

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Solution

The fourth proportional to 137,948.37, 207,067.34 and 122,253.81 is: 183,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,948.37 : 207,067.34 = 122,253.81 : x
  2. Step 2: Convert to fraction form
    137,948.37/207,067.34 = 122,253.81/x
  3. Step 3: Cross multiply
    137,948.37x = 207,067.34 × 122,253.81
  4. Step 4: Simplify right side
    137,948.37x = 25,314,771,241.57
  5. Step 5: Solve for x
    x = 25,314,771,241.57/137,948.37
  6. Step 6: Final answer
    x = 183,509.03

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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.