Home / 193,600.80-290,012.40-110,397.60

Finding the Fourth Proportional to 193,600.80, 290,012.40 and 110,397.60

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Solution

The fourth proportional to 193,600.80, 290,012.40 and 110,397.60 is: 165,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,600.80 : 290,012.40 = 110,397.60 : x
  2. Step 2: Convert to fraction form
    193,600.80/290,012.40 = 110,397.60/x
  3. Step 3: Cross multiply
    193,600.80x = 290,012.40 × 110,397.60
  4. Step 4: Simplify right side
    193,600.80x = 32,016,672,930.24
  5. Step 5: Solve for x
    x = 32,016,672,930.24/193,600.80
  6. Step 6: Final answer
    x = 165,374.69

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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.