Home / 119,256.82-178,883.37-30,509.56

Finding the Fourth Proportional to 119,256.82, 178,883.37 and 30,509.56

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Solution

The fourth proportional to 119,256.82, 178,883.37 and 30,509.56 is: 45,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,256.82 : 178,883.37 = 30,509.56 : x
  2. Step 2: Convert to fraction form
    119,256.82/178,883.37 = 30,509.56/x
  3. Step 3: Cross multiply
    119,256.82x = 178,883.37 × 30,509.56
  4. Step 4: Simplify right side
    119,256.82x = 5,457,652,910.02
  5. Step 5: Solve for x
    x = 5,457,652,910.02/119,256.82
  6. Step 6: Final answer
    x = 45,763.86

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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.