Home / 206,927.49-285,559.65-120,945.60

Finding the Fourth Proportional to 206,927.49, 285,559.65 and 120,945.60

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Solution

The fourth proportional to 206,927.49, 285,559.65 and 120,945.60 is: 166,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,927.49 : 285,559.65 = 120,945.60 : x
  2. Step 2: Convert to fraction form
    206,927.49/285,559.65 = 120,945.60/x
  3. Step 3: Cross multiply
    206,927.49x = 285,559.65 × 120,945.60
  4. Step 4: Simplify right side
    206,927.49x = 34,537,183,205.04
  5. Step 5: Solve for x
    x = 34,537,183,205.04/206,927.49
  6. Step 6: Final answer
    x = 166,904.76

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1.5x scale

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.