Home / 120,558.21-180,795.73-49,460.77

Finding the Fourth Proportional to 120,558.21, 180,795.73 and 49,460.77

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Solution

The fourth proportional to 120,558.21, 180,795.73 and 49,460.77 is: 74,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,558.21 : 180,795.73 = 49,460.77 : x
  2. Step 2: Convert to fraction form
    120,558.21/180,795.73 = 49,460.77/x
  3. Step 3: Cross multiply
    120,558.21x = 180,795.73 × 49,460.77
  4. Step 4: Simplify right side
    120,558.21x = 8,942,296,018.51
  5. Step 5: Solve for x
    x = 8,942,296,018.51/120,558.21
  6. Step 6: Final answer
    x = 74,174.09

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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.