Home / 120,022.75-180,043.41-35,776.47

Finding the Fourth Proportional to 120,022.75, 180,043.41 and 35,776.47

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Solution

The fourth proportional to 120,022.75, 180,043.41 and 35,776.47 is: 53,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,022.75 : 180,043.41 = 35,776.47 : x
  2. Step 2: Convert to fraction form
    120,022.75/180,043.41 = 35,776.47/x
  3. Step 3: Cross multiply
    120,022.75x = 180,043.41 × 35,776.47
  4. Step 4: Simplify right side
    120,022.75x = 6,441,317,656.56
  5. Step 5: Solve for x
    x = 6,441,317,656.56/120,022.75
  6. Step 6: Final answer
    x = 53,667.47

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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.