Home / 165,846.36-248,769.90-72,330.60

Finding the Fourth Proportional to 165,846.36, 248,769.90 and 72,330.60

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Solution

The fourth proportional to 165,846.36, 248,769.90 and 72,330.60 is: 108,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,846.36 : 248,769.90 = 72,330.60 : x
  2. Step 2: Convert to fraction form
    165,846.36/248,769.90 = 72,330.60/x
  3. Step 3: Cross multiply
    165,846.36x = 248,769.90 × 72,330.60
  4. Step 4: Simplify right side
    165,846.36x = 17,993,676,128.94
  5. Step 5: Solve for x
    x = 17,993,676,128.94/165,846.36
  6. Step 6: Final answer
    x = 108,496.06

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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.