Home / 120,222.57-180,343.23-40,260.81

Finding the Fourth Proportional to 120,222.57, 180,343.23 and 40,260.81

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Solution

The fourth proportional to 120,222.57, 180,343.23 and 40,260.81 is: 60,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,222.57 : 180,343.23 = 40,260.81 : x
  2. Step 2: Convert to fraction form
    120,222.57/180,343.23 = 40,260.81/x
  3. Step 3: Cross multiply
    120,222.57x = 180,343.23 × 40,260.81
  4. Step 4: Simplify right side
    120,222.57x = 7,260,764,517.82
  5. Step 5: Solve for x
    x = 7,260,764,517.82/120,222.57
  6. Step 6: Final answer
    x = 60,394.35

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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.