Home / 222,136.73-306,451.31-130,209.41

Finding the Fourth Proportional to 222,136.73, 306,451.31 and 130,209.41

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Solution

The fourth proportional to 222,136.73, 306,451.31 and 130,209.41 is: 179,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,136.73 : 306,451.31 = 130,209.41 : x
  2. Step 2: Convert to fraction form
    222,136.73/306,451.31 = 130,209.41/x
  3. Step 3: Cross multiply
    222,136.73x = 306,451.31 × 130,209.41
  4. Step 4: Simplify right side
    222,136.73x = 39,902,842,085.52
  5. Step 5: Solve for x
    x = 39,902,842,085.52/222,136.73
  6. Step 6: Final answer
    x = 179,631.89

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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.