Home / 80,112.02-120,166.70-32,716.70

Finding the Fourth Proportional to 80,112.02, 120,166.70 and 32,716.70

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Solution

The fourth proportional to 80,112.02, 120,166.70 and 32,716.70 is: 49,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,112.02 : 120,166.70 = 32,716.70 : x
  2. Step 2: Convert to fraction form
    80,112.02/120,166.70 = 32,716.70/x
  3. Step 3: Cross multiply
    80,112.02x = 120,166.70 × 32,716.70
  4. Step 4: Simplify right side
    80,112.02x = 3,931,457,873.89
  5. Step 5: Solve for x
    x = 3,931,457,873.89/80,112.02
  6. Step 6: Final answer
    x = 49,074.51

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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.