Home / 150,016.44-206,809.02-102,208.64

Finding the Fourth Proportional to 150,016.44, 206,809.02 and 102,208.64

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Solution

The fourth proportional to 150,016.44, 206,809.02 and 102,208.64 is: 140,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,016.44 : 206,809.02 = 102,208.64 : x
  2. Step 2: Convert to fraction form
    150,016.44/206,809.02 = 102,208.64/x
  3. Step 3: Cross multiply
    150,016.44x = 206,809.02 × 102,208.64
  4. Step 4: Simplify right side
    150,016.44x = 21,137,668,673.93
  5. Step 5: Solve for x
    x = 21,137,668,673.93/150,016.44
  6. Step 6: Final answer
    x = 140,902.35

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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.