Home / 147,786.57-203,945.70-84,124.37

Finding the Fourth Proportional to 147,786.57, 203,945.70 and 84,124.37

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Solution

The fourth proportional to 147,786.57, 203,945.70 and 84,124.37 is: 116,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,786.57 : 203,945.70 = 84,124.37 : x
  2. Step 2: Convert to fraction form
    147,786.57/203,945.70 = 84,124.37/x
  3. Step 3: Cross multiply
    147,786.57x = 203,945.70 × 84,124.37
  4. Step 4: Simplify right side
    147,786.57x = 17,156,802,506.98
  5. Step 5: Solve for x
    x = 17,156,802,506.98/147,786.57
  6. Step 6: Final answer
    x = 116,091.76

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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.