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Finding the Fourth Proportional to 110,266.20, 165,350.70 and 43,684.20

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Solution

The fourth proportional to 110,266.20, 165,350.70 and 43,684.20 is: 65,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,266.20 : 165,350.70 = 43,684.20 : x
  2. Step 2: Convert to fraction form
    110,266.20/165,350.70 = 43,684.20/x
  3. Step 3: Cross multiply
    110,266.20x = 165,350.70 × 43,684.20
  4. Step 4: Simplify right side
    110,266.20x = 7,223,213,048.94
  5. Step 5: Solve for x
    x = 7,223,213,048.94/110,266.20
  6. Step 6: Final answer
    x = 65,507.05

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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.