Home / 71,474.21-107,210.70-18,166.34

Finding the Fourth Proportional to 71,474.21, 107,210.70 and 18,166.34

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Solution

The fourth proportional to 71,474.21, 107,210.70 and 18,166.34 is: 27,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,474.21 : 107,210.70 = 18,166.34 : x
  2. Step 2: Convert to fraction form
    71,474.21/107,210.70 = 18,166.34/x
  3. Step 3: Cross multiply
    71,474.21x = 107,210.70 × 18,166.34
  4. Step 4: Simplify right side
    71,474.21x = 1,947,625,491.78
  5. Step 5: Solve for x
    x = 1,947,625,491.78/71,474.21
  6. Step 6: Final answer
    x = 27,249.35

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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.