Home / 74,172.32-111,257.46-18,012.86

Finding the Fourth Proportional to 74,172.32, 111,257.46 and 18,012.86

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Solution

The fourth proportional to 74,172.32, 111,257.46 and 18,012.86 is: 27,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,172.32 : 111,257.46 = 18,012.86 : x
  2. Step 2: Convert to fraction form
    74,172.32/111,257.46 = 18,012.86/x
  3. Step 3: Cross multiply
    74,172.32x = 111,257.46 × 18,012.86
  4. Step 4: Simplify right side
    74,172.32x = 2,004,065,050.94
  5. Step 5: Solve for x
    x = 2,004,065,050.94/74,172.32
  6. Step 6: Final answer
    x = 27,019.04

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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.