Home / 227,065.19-339,988.67-126,940.22

Finding the Fourth Proportional to 227,065.19, 339,988.67 and 126,940.22

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Solution

The fourth proportional to 227,065.19, 339,988.67 and 126,940.22 is: 190,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,065.19 : 339,988.67 = 126,940.22 : x
  2. Step 2: Convert to fraction form
    227,065.19/339,988.67 = 126,940.22/x
  3. Step 3: Cross multiply
    227,065.19x = 339,988.67 × 126,940.22
  4. Step 4: Simplify right side
    227,065.19x = 43,158,236,567.31
  5. Step 5: Solve for x
    x = 43,158,236,567.31/227,065.19
  6. Step 6: Final answer
    x = 190,069.81

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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.