Home / 76,157.36-105,093.72-42,163.46

Finding the Fourth Proportional to 76,157.36, 105,093.72 and 42,163.46

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Solution

The fourth proportional to 76,157.36, 105,093.72 and 42,163.46 is: 58,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,157.36 : 105,093.72 = 42,163.46 : x
  2. Step 2: Convert to fraction form
    76,157.36/105,093.72 = 42,163.46/x
  3. Step 3: Cross multiply
    76,157.36x = 105,093.72 × 42,163.46
  4. Step 4: Simplify right side
    76,157.36x = 4,431,114,334.00
  5. Step 5: Solve for x
    x = 4,431,114,334.00/76,157.36
  6. Step 6: Final answer
    x = 58,183.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.