Home / 182,972.40-274,458.60-120,189.30

Finding the Fourth Proportional to 182,972.40, 274,458.60 and 120,189.30

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Solution

The fourth proportional to 182,972.40, 274,458.60 and 120,189.30 is: 180,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,972.40 : 274,458.60 = 120,189.30 : x
  2. Step 2: Convert to fraction form
    182,972.40/274,458.60 = 120,189.30/x
  3. Step 3: Cross multiply
    182,972.40x = 274,458.60 × 120,189.30
  4. Step 4: Simplify right side
    182,972.40x = 32,986,987,012.98
  5. Step 5: Solve for x
    x = 32,986,987,012.98/182,972.40
  6. Step 6: Final answer
    x = 180,283.95

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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.