Home / 146,119.73-219,181.76-40,932.05

Finding the Fourth Proportional to 146,119.73, 219,181.76 and 40,932.05

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Solution

The fourth proportional to 146,119.73, 219,181.76 and 40,932.05 is: 61,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,119.73 : 219,181.76 = 40,932.05 : x
  2. Step 2: Convert to fraction form
    146,119.73/219,181.76 = 40,932.05/x
  3. Step 3: Cross multiply
    146,119.73x = 219,181.76 × 40,932.05
  4. Step 4: Simplify right side
    146,119.73x = 8,971,557,458.84
  5. Step 5: Solve for x
    x = 8,971,557,458.84/146,119.73
  6. Step 6: Final answer
    x = 61,398.67

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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.