Home / 150,446.12-207,620.70-82,469.30

Finding the Fourth Proportional to 150,446.12, 207,620.70 and 82,469.30

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Solution

The fourth proportional to 150,446.12, 207,620.70 and 82,469.30 is: 113,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,446.12 : 207,620.70 = 82,469.30 : x
  2. Step 2: Convert to fraction form
    150,446.12/207,620.70 = 82,469.30/x
  3. Step 3: Cross multiply
    150,446.12x = 207,620.70 × 82,469.30
  4. Step 4: Simplify right side
    150,446.12x = 17,122,333,794.51
  5. Step 5: Solve for x
    x = 17,122,333,794.51/150,446.12
  6. Step 6: Final answer
    x = 113,810.40

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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.