Home / 145,234.81-217,883.20-50,467.85

Finding the Fourth Proportional to 145,234.81, 217,883.20 and 50,467.85

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Solution

The fourth proportional to 145,234.81, 217,883.20 and 50,467.85 is: 75,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,234.81 : 217,883.20 = 50,467.85 : x
  2. Step 2: Convert to fraction form
    145,234.81/217,883.20 = 50,467.85/x
  3. Step 3: Cross multiply
    145,234.81x = 217,883.20 × 50,467.85
  4. Step 4: Simplify right side
    145,234.81x = 10,996,096,655.12
  5. Step 5: Solve for x
    x = 10,996,096,655.12/145,234.81
  6. Step 6: Final answer
    x = 75,712.54

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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.