Home / 251,771.39-347,448.94-137,053.33

Finding the Fourth Proportional to 251,771.39, 347,448.94 and 137,053.33

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Solution

The fourth proportional to 251,771.39, 347,448.94 and 137,053.33 is: 189,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,771.39 : 347,448.94 = 137,053.33 : x
  2. Step 2: Convert to fraction form
    251,771.39/347,448.94 = 137,053.33/x
  3. Step 3: Cross multiply
    251,771.39x = 347,448.94 × 137,053.33
  4. Step 4: Simplify right side
    251,771.39x = 47,619,034,231.97
  5. Step 5: Solve for x
    x = 47,619,034,231.97/251,771.39
  6. Step 6: Final answer
    x = 189,136.00

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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.