Home / 285,736.54-428,604.78-96,181

Finding the Fourth Proportional to 285,736.54, 428,604.78 and 96,181

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Solution

The fourth proportional to 285,736.54, 428,604.78 and 96,181 is: 144,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,736.54 : 428,604.78 = 96,181 : x
  2. Step 2: Convert to fraction form
    285,736.54/428,604.78 = 96,181/x
  3. Step 3: Cross multiply
    285,736.54x = 428,604.78 × 96,181
  4. Step 4: Simplify right side
    285,736.54x = 41,223,636,345.18
  5. Step 5: Solve for x
    x = 41,223,636,345.18/285,736.54
  6. Step 6: Final answer
    x = 144,271.49

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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.