Home / 120,295.80-180,441.63-41,408.28

Finding the Fourth Proportional to 120,295.80, 180,441.63 and 41,408.28

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Solution

The fourth proportional to 120,295.80, 180,441.63 and 41,408.28 is: 62,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,295.80 : 180,441.63 = 41,408.28 : x
  2. Step 2: Convert to fraction form
    120,295.80/180,441.63 = 41,408.28/x
  3. Step 3: Cross multiply
    120,295.80x = 180,441.63 × 41,408.28
  4. Step 4: Simplify right side
    120,295.80x = 7,471,777,538.70
  5. Step 5: Solve for x
    x = 7,471,777,538.70/120,295.80
  6. Step 6: Final answer
    x = 62,111.71

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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.