Home / 80,194.23-120,289.89-27,602.55

Finding the Fourth Proportional to 80,194.23, 120,289.89 and 27,602.55

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Solution

The fourth proportional to 80,194.23, 120,289.89 and 27,602.55 is: 41,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,194.23 : 120,289.89 = 27,602.55 : x
  2. Step 2: Convert to fraction form
    80,194.23/120,289.89 = 27,602.55/x
  3. Step 3: Cross multiply
    80,194.23x = 120,289.89 × 27,602.55
  4. Step 4: Simplify right side
    80,194.23x = 3,320,307,703.22
  5. Step 5: Solve for x
    x = 3,320,307,703.22/80,194.23
  6. Step 6: Final answer
    x = 41,403.32

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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.