Home / 120,511.45-180,766.23-36,271.25

Finding the Fourth Proportional to 120,511.45, 180,766.23 and 36,271.25

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Solution

The fourth proportional to 120,511.45, 180,766.23 and 36,271.25 is: 54,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,511.45 : 180,766.23 = 36,271.25 : x
  2. Step 2: Convert to fraction form
    120,511.45/180,766.23 = 36,271.25/x
  3. Step 3: Cross multiply
    120,511.45x = 180,766.23 × 36,271.25
  4. Step 4: Simplify right side
    120,511.45x = 6,556,617,119.89
  5. Step 5: Solve for x
    x = 6,556,617,119.89/120,511.45
  6. Step 6: Final answer
    x = 54,406.59

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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.