Home / 210,845.03-290,969.42-115,353.32

Finding the Fourth Proportional to 210,845.03, 290,969.42 and 115,353.32

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Solution

The fourth proportional to 210,845.03, 290,969.42 and 115,353.32 is: 159,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,845.03 : 290,969.42 = 115,353.32 : x
  2. Step 2: Convert to fraction form
    210,845.03/290,969.42 = 115,353.32/x
  3. Step 3: Cross multiply
    210,845.03x = 290,969.42 × 115,353.32
  4. Step 4: Simplify right side
    210,845.03x = 33,564,286,583.86
  5. Step 5: Solve for x
    x = 33,564,286,583.86/210,845.03
  6. Step 6: Final answer
    x = 159,189.37

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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.