Home / 121,960.49-182,940.93-80,104.95

Finding the Fourth Proportional to 121,960.49, 182,940.93 and 80,104.95

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Solution

The fourth proportional to 121,960.49, 182,940.93 and 80,104.95 is: 120,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,960.49 : 182,940.93 = 80,104.95 : x
  2. Step 2: Convert to fraction form
    121,960.49/182,940.93 = 80,104.95/x
  3. Step 3: Cross multiply
    121,960.49x = 182,940.93 × 80,104.95
  4. Step 4: Simplify right side
    121,960.49x = 14,654,474,050.60
  5. Step 5: Solve for x
    x = 14,654,474,050.60/121,960.49
  6. Step 6: Final answer
    x = 120,157.56

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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.