Home / 97,427.30-146,145.20-30,872.33

Finding the Fourth Proportional to 97,427.30, 146,145.20 and 30,872.33

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Solution

The fourth proportional to 97,427.30, 146,145.20 and 30,872.33 is: 46,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427.30 : 146,145.20 = 30,872.33 : x
  2. Step 2: Convert to fraction form
    97,427.30/146,145.20 = 30,872.33/x
  3. Step 3: Cross multiply
    97,427.30x = 146,145.20 × 30,872.33
  4. Step 4: Simplify right side
    97,427.30x = 4,511,843,053.32
  5. Step 5: Solve for x
    x = 4,511,843,053.32/97,427.30
  6. Step 6: Final answer
    x = 46,309.85

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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.