Home / 196,402.77-294,375.60-112,221.90

Finding the Fourth Proportional to 196,402.77, 294,375.60 and 112,221.90

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Solution

The fourth proportional to 196,402.77, 294,375.60 and 112,221.90 is: 168,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,402.77 : 294,375.60 = 112,221.90 : x
  2. Step 2: Convert to fraction form
    196,402.77/294,375.60 = 112,221.90/x
  3. Step 3: Cross multiply
    196,402.77x = 294,375.60 × 112,221.90
  4. Step 4: Simplify right side
    196,402.77x = 33,035,389,145.64
  5. Step 5: Solve for x
    x = 33,035,389,145.64/196,402.77
  6. Step 6: Final answer
    x = 168,202.26

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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.