Home / 80,150.94-120,335.76-40,735.94

Finding the Fourth Proportional to 80,150.94, 120,335.76 and 40,735.94

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Solution

The fourth proportional to 80,150.94, 120,335.76 and 40,735.94 is: 61,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,150.94 : 120,335.76 = 40,735.94 : x
  2. Step 2: Convert to fraction form
    80,150.94/120,335.76 = 40,735.94/x
  3. Step 3: Cross multiply
    80,150.94x = 120,335.76 × 40,735.94
  4. Step 4: Simplify right side
    80,150.94x = 4,901,989,697.54
  5. Step 5: Solve for x
    x = 4,901,989,697.54/80,150.94
  6. Step 6: Final answer
    x = 61,159.48

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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.