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Finding the Fourth Proportional to 110,283.56, 165,422.78 and 35,400.68

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Solution

The fourth proportional to 110,283.56, 165,422.78 and 35,400.68 is: 53,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,283.56 : 165,422.78 = 35,400.68 : x
  2. Step 2: Convert to fraction form
    110,283.56/165,422.78 = 35,400.68/x
  3. Step 3: Cross multiply
    110,283.56x = 165,422.78 × 35,400.68
  4. Step 4: Simplify right side
    110,283.56x = 5,856,078,899.49
  5. Step 5: Solve for x
    x = 5,856,078,899.49/110,283.56
  6. Step 6: Final answer
    x = 53,100.20

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1.5x scale

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.