Home / 234,690.21-324,139.82-159,107.49

Finding the Fourth Proportional to 234,690.21, 324,139.82 and 159,107.49

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Solution

The fourth proportional to 234,690.21, 324,139.82 and 159,107.49 is: 219,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,690.21 : 324,139.82 = 159,107.49 : x
  2. Step 2: Convert to fraction form
    234,690.21/324,139.82 = 159,107.49/x
  3. Step 3: Cross multiply
    234,690.21x = 324,139.82 × 159,107.49
  4. Step 4: Simplify right side
    234,690.21x = 51,573,072,373.71
  5. Step 5: Solve for x
    x = 51,573,072,373.71/234,690.21
  6. Step 6: Final answer
    x = 219,749.57

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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.