Home / 126,532.72-190,094.96-108,818.04

Finding the Fourth Proportional to 126,532.72, 190,094.96 and 108,818.04

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Solution

The fourth proportional to 126,532.72, 190,094.96 and 108,818.04 is: 163,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,532.72 : 190,094.96 = 108,818.04 : x
  2. Step 2: Convert to fraction form
    126,532.72/190,094.96 = 108,818.04/x
  3. Step 3: Cross multiply
    126,532.72x = 190,094.96 × 108,818.04
  4. Step 4: Simplify right side
    126,532.72x = 20,685,760,961.08
  5. Step 5: Solve for x
    x = 20,685,760,961.08/126,532.72
  6. Step 6: Final answer
    x = 163,481.52

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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.