Home / 120,727.87-180,980.93-41,786.89

Finding the Fourth Proportional to 120,727.87, 180,980.93 and 41,786.89

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Solution

The fourth proportional to 120,727.87, 180,980.93 and 41,786.89 is: 62,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,727.87 : 180,980.93 = 41,786.89 : x
  2. Step 2: Convert to fraction form
    120,727.87/180,980.93 = 41,786.89/x
  3. Step 3: Cross multiply
    120,727.87x = 180,980.93 × 41,786.89
  4. Step 4: Simplify right side
    120,727.87x = 7,562,630,214.01
  5. Step 5: Solve for x
    x = 7,562,630,214.01/120,727.87
  6. Step 6: Final answer
    x = 62,641.96

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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.