Home / 120,744.20-181,140.60-41,842.10

Finding the Fourth Proportional to 120,744.20, 181,140.60 and 41,842.10

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Solution

The fourth proportional to 120,744.20, 181,140.60 and 41,842.10 is: 62,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744.20 : 181,140.60 = 41,842.10 : x
  2. Step 2: Convert to fraction form
    120,744.20/181,140.60 = 41,842.10/x
  3. Step 3: Cross multiply
    120,744.20x = 181,140.60 × 41,842.10
  4. Step 4: Simplify right side
    120,744.20x = 7,579,303,099.26
  5. Step 5: Solve for x
    x = 7,579,303,099.26/120,744.20
  6. Step 6: Final answer
    x = 62,771.57

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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.