Home / 196,471.09-294,719.60-71,899.57

Finding the Fourth Proportional to 196,471.09, 294,719.60 and 71,899.57

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Solution

The fourth proportional to 196,471.09, 294,719.60 and 71,899.57 is: 107,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,471.09 : 294,719.60 = 71,899.57 : x
  2. Step 2: Convert to fraction form
    196,471.09/294,719.60 = 71,899.57/x
  3. Step 3: Cross multiply
    196,471.09x = 294,719.60 × 71,899.57
  4. Step 4: Simplify right side
    196,471.09x = 21,190,212,510.57
  5. Step 5: Solve for x
    x = 21,190,212,510.57/196,471.09
  6. Step 6: Final answer
    x = 107,854.10

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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.