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Finding the Fourth Proportional to 195,668.79, 270,023.94 and 110,802.39

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Solution

The fourth proportional to 195,668.79, 270,023.94 and 110,802.39 is: 152,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,668.79 : 270,023.94 = 110,802.39 : x
  2. Step 2: Convert to fraction form
    195,668.79/270,023.94 = 110,802.39/x
  3. Step 3: Cross multiply
    195,668.79x = 270,023.94 × 110,802.39
  4. Step 4: Simplify right side
    195,668.79x = 29,919,297,909.22
  5. Step 5: Solve for x
    x = 29,919,297,909.22/195,668.79
  6. Step 6: Final answer
    x = 152,907.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.