Home / 206,928.49-285,561.03-120,946.60

Finding the Fourth Proportional to 206,928.49, 285,561.03 and 120,946.60

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Solution

The fourth proportional to 206,928.49, 285,561.03 and 120,946.60 is: 166,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,928.49 : 285,561.03 = 120,946.60 : x
  2. Step 2: Convert to fraction form
    206,928.49/285,561.03 = 120,946.60/x
  3. Step 3: Cross multiply
    206,928.49x = 285,561.03 × 120,946.60
  4. Step 4: Simplify right side
    206,928.49x = 34,537,635,671.00
  5. Step 5: Solve for x
    x = 34,537,635,671.00/206,928.49
  6. Step 6: Final answer
    x = 166,906.14

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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.