Home / 196,473.09-294,722.60-71,901.57

Finding the Fourth Proportional to 196,473.09, 294,722.60 and 71,901.57

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Solution

The fourth proportional to 196,473.09, 294,722.60 and 71,901.57 is: 107,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,473.09 : 294,722.60 = 71,901.57 : x
  2. Step 2: Convert to fraction form
    196,473.09/294,722.60 = 71,901.57/x
  3. Step 3: Cross multiply
    196,473.09x = 294,722.60 × 71,901.57
  4. Step 4: Simplify right side
    196,473.09x = 21,191,017,654.48
  5. Step 5: Solve for x
    x = 21,191,017,654.48/196,473.09
  6. Step 6: Final answer
    x = 107,857.10

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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.