Home / 196,316.12-294,561.66-102,800

Finding the Fourth Proportional to 196,316.12, 294,561.66 and 102,800

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Solution

The fourth proportional to 196,316.12, 294,561.66 and 102,800 is: 154,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,316.12 : 294,561.66 = 102,800 : x
  2. Step 2: Convert to fraction form
    196,316.12/294,561.66 = 102,800/x
  3. Step 3: Cross multiply
    196,316.12x = 294,561.66 × 102,800
  4. Step 4: Simplify right side
    196,316.12x = 30,280,938,648.00
  5. Step 5: Solve for x
    x = 30,280,938,648.00/196,316.12
  6. Step 6: Final answer
    x = 154,245.81

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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.