Home / 165,769.40-248,654.10-102,783.80

Finding the Fourth Proportional to 165,769.40, 248,654.10 and 102,783.80

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Solution

The fourth proportional to 165,769.40, 248,654.10 and 102,783.80 is: 154,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,769.40 : 248,654.10 = 102,783.80 : x
  2. Step 2: Convert to fraction form
    165,769.40/248,654.10 = 102,783.80/x
  3. Step 3: Cross multiply
    165,769.40x = 248,654.10 × 102,783.80
  4. Step 4: Simplify right side
    165,769.40x = 25,557,613,283.58
  5. Step 5: Solve for x
    x = 25,557,613,283.58/165,769.40
  6. Step 6: Final answer
    x = 154,175.70

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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.