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Finding the Fourth Proportional to 171,847.70, 258,002.40 and 100,843.10

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Solution

The fourth proportional to 171,847.70, 258,002.40 and 100,843.10 is: 151,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,847.70 : 258,002.40 = 100,843.10 : x
  2. Step 2: Convert to fraction form
    171,847.70/258,002.40 = 100,843.10/x
  3. Step 3: Cross multiply
    171,847.70x = 258,002.40 × 100,843.10
  4. Step 4: Simplify right side
    171,847.70x = 26,017,761,823.44
  5. Step 5: Solve for x
    x = 26,017,761,823.44/171,847.70
  6. Step 6: Final answer
    x = 151,400.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.