Home / 196,680.36-294,495.66-102,989.16

Finding the Fourth Proportional to 196,680.36, 294,495.66 and 102,989.16

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Solution

The fourth proportional to 196,680.36, 294,495.66 and 102,989.16 is: 154,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,680.36 : 294,495.66 = 102,989.16 : x
  2. Step 2: Convert to fraction form
    196,680.36/294,495.66 = 102,989.16/x
  3. Step 3: Cross multiply
    196,680.36x = 294,495.66 × 102,989.16
  4. Step 4: Simplify right side
    196,680.36x = 30,329,860,647.05
  5. Step 5: Solve for x
    x = 30,329,860,647.05/196,680.36
  6. Step 6: Final answer
    x = 154,208.89

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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.