Home / 202,256.36-303,138.54-143,109.16

Finding the Fourth Proportional to 202,256.36, 303,138.54 and 143,109.16

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Solution

The fourth proportional to 202,256.36, 303,138.54 and 143,109.16 is: 214,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,256.36 : 303,138.54 = 143,109.16 : x
  2. Step 2: Convert to fraction form
    202,256.36/303,138.54 = 143,109.16/x
  3. Step 3: Cross multiply
    202,256.36x = 303,138.54 × 143,109.16
  4. Step 4: Simplify right side
    202,256.36x = 43,381,901,823.03
  5. Step 5: Solve for x
    x = 43,381,901,823.03/202,256.36
  6. Step 6: Final answer
    x = 214,489.68

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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.