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Finding the Fourth Proportional to 120,080.68, 179,241.73 and 105,893.39

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Solution

The fourth proportional to 120,080.68, 179,241.73 and 105,893.39 is: 158,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,080.68 : 179,241.73 = 105,893.39 : x
  2. Step 2: Convert to fraction form
    120,080.68/179,241.73 = 105,893.39/x
  3. Step 3: Cross multiply
    120,080.68x = 179,241.73 × 105,893.39
  4. Step 4: Simplify right side
    120,080.68x = 18,980,514,602.54
  5. Step 5: Solve for x
    x = 18,980,514,602.54/120,080.68
  6. Step 6: Final answer
    x = 158,064.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.