Home / 196,140.64-294,254.67-71,481.64

Finding the Fourth Proportional to 196,140.64, 294,254.67 and 71,481.64

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Solution

The fourth proportional to 196,140.64, 294,254.67 and 71,481.64 is: 107,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,140.64 : 294,254.67 = 71,481.64 : x
  2. Step 2: Convert to fraction form
    196,140.64/294,254.67 = 71,481.64/x
  3. Step 3: Cross multiply
    196,140.64x = 294,254.67 × 71,481.64
  4. Step 4: Simplify right side
    196,140.64x = 21,033,806,389.26
  5. Step 5: Solve for x
    x = 21,033,806,389.26/196,140.64
  6. Step 6: Final answer
    x = 107,238.39

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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.