Home / 281,940.14-389,041.55-161,089.26

Finding the Fourth Proportional to 281,940.14, 389,041.55 and 161,089.26

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Solution

The fourth proportional to 281,940.14, 389,041.55 and 161,089.26 is: 222,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,940.14 : 389,041.55 = 161,089.26 : x
  2. Step 2: Convert to fraction form
    281,940.14/389,041.55 = 161,089.26/x
  3. Step 3: Cross multiply
    281,940.14x = 389,041.55 × 161,089.26
  4. Step 4: Simplify right side
    281,940.14x = 62,670,413,738.49
  5. Step 5: Solve for x
    x = 62,670,413,738.49/281,940.14
  6. Step 6: Final answer
    x = 222,282.69

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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.