Home / 120,555.57-180,833.35-40,586.85

Finding the Fourth Proportional to 120,555.57, 180,833.35 and 40,586.85

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Solution

The fourth proportional to 120,555.57, 180,833.35 and 40,586.85 is: 60,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,555.57 : 180,833.35 = 40,586.85 : x
  2. Step 2: Convert to fraction form
    120,555.57/180,833.35 = 40,586.85/x
  3. Step 3: Cross multiply
    120,555.57x = 180,833.35 × 40,586.85
  4. Step 4: Simplify right side
    120,555.57x = 7,339,456,051.45
  5. Step 5: Solve for x
    x = 7,339,456,051.45/120,555.57
  6. Step 6: Final answer
    x = 60,880.27

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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.