Home / 120,112.72-180,173.36-41,226.40

Finding the Fourth Proportional to 120,112.72, 180,173.36 and 41,226.40

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Solution

The fourth proportional to 120,112.72, 180,173.36 and 41,226.40 is: 61,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,112.72 : 180,173.36 = 41,226.40 : x
  2. Step 2: Convert to fraction form
    120,112.72/180,173.36 = 41,226.40/x
  3. Step 3: Cross multiply
    120,112.72x = 180,173.36 × 41,226.40
  4. Step 4: Simplify right side
    120,112.72x = 7,427,899,008.70
  5. Step 5: Solve for x
    x = 7,427,899,008.70/120,112.72
  6. Step 6: Final answer
    x = 61,841.07

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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.