Home / 120,235.12-180,369.08-50,098

Finding the Fourth Proportional to 120,235.12, 180,369.08 and 50,098

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Solution

The fourth proportional to 120,235.12, 180,369.08 and 50,098 is: 75,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,235.12 : 180,369.08 = 50,098 : x
  2. Step 2: Convert to fraction form
    120,235.12/180,369.08 = 50,098/x
  3. Step 3: Cross multiply
    120,235.12x = 180,369.08 × 50,098
  4. Step 4: Simplify right side
    120,235.12x = 9,036,130,169.84
  5. Step 5: Solve for x
    x = 9,036,130,169.84/120,235.12
  6. Step 6: Final answer
    x = 75,153.83

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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.