Home / 166,163.50-228,728.36-144,905.86

Finding the Fourth Proportional to 166,163.50, 228,728.36 and 144,905.86

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Solution

The fourth proportional to 166,163.50, 228,728.36 and 144,905.86 is: 199,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,163.50 : 228,728.36 = 144,905.86 : x
  2. Step 2: Convert to fraction form
    166,163.50/228,728.36 = 144,905.86/x
  3. Step 3: Cross multiply
    166,163.50x = 228,728.36 × 144,905.86
  4. Step 4: Simplify right side
    166,163.50x = 33,144,079,502.63
  5. Step 5: Solve for x
    x = 33,144,079,502.63/166,163.50
  6. Step 6: Final answer
    x = 199,466.67

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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.