Home / 230,181.18-317,665.99-139,540.96

Finding the Fourth Proportional to 230,181.18, 317,665.99 and 139,540.96

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Solution

The fourth proportional to 230,181.18, 317,665.99 and 139,540.96 is: 192,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,181.18 : 317,665.99 = 139,540.96 : x
  2. Step 2: Convert to fraction form
    230,181.18/317,665.99 = 139,540.96/x
  3. Step 3: Cross multiply
    230,181.18x = 317,665.99 × 139,540.96
  4. Step 4: Simplify right side
    230,181.18x = 44,327,417,649.26
  5. Step 5: Solve for x
    x = 44,327,417,649.26/230,181.18
  6. Step 6: Final answer
    x = 192,576.21

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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.