Home / 97,427.10-146,144.90-30,872.13

Finding the Fourth Proportional to 97,427.10, 146,144.90 and 30,872.13

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Solution

The fourth proportional to 97,427.10, 146,144.90 and 30,872.13 is: 46,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427.10 : 146,144.90 = 30,872.13 : x
  2. Step 2: Convert to fraction form
    97,427.10/146,144.90 = 30,872.13/x
  3. Step 3: Cross multiply
    97,427.10x = 146,144.90 × 30,872.13
  4. Step 4: Simplify right side
    97,427.10x = 4,511,804,351.64
  5. Step 5: Solve for x
    x = 4,511,804,351.64/97,427.10
  6. Step 6: Final answer
    x = 46,309.54

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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.