Home / 120,169.59-180,266.75-45,352.73

Finding the Fourth Proportional to 120,169.59, 180,266.75 and 45,352.73

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Solution

The fourth proportional to 120,169.59, 180,266.75 and 45,352.73 is: 68,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,169.59 : 180,266.75 = 45,352.73 : x
  2. Step 2: Convert to fraction form
    120,169.59/180,266.75 = 45,352.73/x
  3. Step 3: Cross multiply
    120,169.59x = 180,266.75 × 45,352.73
  4. Step 4: Simplify right side
    120,169.59x = 8,175,588,112.63
  5. Step 5: Solve for x
    x = 8,175,588,112.63/120,169.59
  6. Step 6: Final answer
    x = 68,033.75

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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.