Home / 208,105.07-312,157.73-50,333.67

Finding the Fourth Proportional to 208,105.07, 312,157.73 and 50,333.67

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Solution

The fourth proportional to 208,105.07, 312,157.73 and 50,333.67 is: 75,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,105.07 : 312,157.73 = 50,333.67 : x
  2. Step 2: Convert to fraction form
    208,105.07/312,157.73 = 50,333.67/x
  3. Step 3: Cross multiply
    208,105.07x = 312,157.73 × 50,333.67
  4. Step 4: Simplify right side
    208,105.07x = 15,712,044,295.60
  5. Step 5: Solve for x
    x = 15,712,044,295.60/208,105.07
  6. Step 6: Final answer
    x = 75,500.54

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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.