Home / 281,474.07-422,210.97-71,111.94

Finding the Fourth Proportional to 281,474.07, 422,210.97 and 71,111.94

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Solution

The fourth proportional to 281,474.07, 422,210.97 and 71,111.94 is: 106,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,474.07 : 422,210.97 = 71,111.94 : x
  2. Step 2: Convert to fraction form
    281,474.07/422,210.97 = 71,111.94/x
  3. Step 3: Cross multiply
    281,474.07x = 422,210.97 × 71,111.94
  4. Step 4: Simplify right side
    281,474.07x = 30,024,241,165.98
  5. Step 5: Solve for x
    x = 30,024,241,165.98/281,474.07
  6. Step 6: Final answer
    x = 106,667.88

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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.