Home / 195,457.62-269,708.76-109,421.31

Finding the Fourth Proportional to 195,457.62, 269,708.76 and 109,421.31

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Solution

The fourth proportional to 195,457.62, 269,708.76 and 109,421.31 is: 150,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,457.62 : 269,708.76 = 109,421.31 : x
  2. Step 2: Convert to fraction form
    195,457.62/269,708.76 = 109,421.31/x
  3. Step 3: Cross multiply
    195,457.62x = 269,708.76 × 109,421.31
  4. Step 4: Simplify right side
    195,457.62x = 29,511,885,837.68
  5. Step 5: Solve for x
    x = 29,511,885,837.68/195,457.62
  6. Step 6: Final answer
    x = 150,988.67

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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.