Home / 150,013.44-206,804.88-102,205.62

Finding the Fourth Proportional to 150,013.44, 206,804.88 and 102,205.62

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Solution

The fourth proportional to 150,013.44, 206,804.88 and 102,205.62 is: 140,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,013.44 : 206,804.88 = 102,205.62 : x
  2. Step 2: Convert to fraction form
    150,013.44/206,804.88 = 102,205.62/x
  3. Step 3: Cross multiply
    150,013.44x = 206,804.88 × 102,205.62
  4. Step 4: Simplify right side
    150,013.44x = 21,136,620,979.43
  5. Step 5: Solve for x
    x = 21,136,620,979.43/150,013.44
  6. Step 6: Final answer
    x = 140,898.18

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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.