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Finding the Fourth Proportional to 110,200.59, 165,311.82 and 43,686.63

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Solution

The fourth proportional to 110,200.59, 165,311.82 and 43,686.63 is: 65,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,200.59 : 165,311.82 = 43,686.63 : x
  2. Step 2: Convert to fraction form
    110,200.59/165,311.82 = 43,686.63/x
  3. Step 3: Cross multiply
    110,200.59x = 165,311.82 × 43,686.63
  4. Step 4: Simplify right side
    110,200.59x = 7,221,916,314.97
  5. Step 5: Solve for x
    x = 7,221,916,314.97/110,200.59
  6. Step 6: Final answer
    x = 65,534.28

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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.