Home / 230,020.96-317,462.85-138,146.44

Finding the Fourth Proportional to 230,020.96, 317,462.85 and 138,146.44

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Solution

The fourth proportional to 230,020.96, 317,462.85 and 138,146.44 is: 190,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,020.96 : 317,462.85 = 138,146.44 : x
  2. Step 2: Convert to fraction form
    230,020.96/317,462.85 = 138,146.44/x
  3. Step 3: Cross multiply
    230,020.96x = 317,462.85 × 138,146.44
  4. Step 4: Simplify right side
    230,020.96x = 43,856,362,559.75
  5. Step 5: Solve for x
    x = 43,856,362,559.75/230,020.96
  6. Step 6: Final answer
    x = 190,662.46

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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.