Home / 120,274.84-180,315.04-50,206.60

Finding the Fourth Proportional to 120,274.84, 180,315.04 and 50,206.60

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Solution

The fourth proportional to 120,274.84, 180,315.04 and 50,206.60 is: 75,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,274.84 : 180,315.04 = 50,206.60 : x
  2. Step 2: Convert to fraction form
    120,274.84/180,315.04 = 50,206.60/x
  3. Step 3: Cross multiply
    120,274.84x = 180,315.04 × 50,206.60
  4. Step 4: Simplify right side
    120,274.84x = 9,053,005,087.26
  5. Step 5: Solve for x
    x = 9,053,005,087.26/120,274.84
  6. Step 6: Final answer
    x = 75,269.32

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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.