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Finding the Fourth Proportional to 171,000.03, 256,361.69 and 71,235.17

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Solution

The fourth proportional to 171,000.03, 256,361.69 and 71,235.17 is: 106,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,000.03 : 256,361.69 = 71,235.17 : x
  2. Step 2: Convert to fraction form
    171,000.03/256,361.69 = 71,235.17/x
  3. Step 3: Cross multiply
    171,000.03x = 256,361.69 × 71,235.17
  4. Step 4: Simplify right side
    171,000.03x = 18,261,968,568.64
  5. Step 5: Solve for x
    x = 18,261,968,568.64/171,000.03
  6. Step 6: Final answer
    x = 106,795.12

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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.