Home / 182,939.40-274,409.10-120,156.30

Finding the Fourth Proportional to 182,939.40, 274,409.10 and 120,156.30

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Solution

The fourth proportional to 182,939.40, 274,409.10 and 120,156.30 is: 180,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,939.40 : 274,409.10 = 120,156.30 : x
  2. Step 2: Convert to fraction form
    182,939.40/274,409.10 = 120,156.30/x
  3. Step 3: Cross multiply
    182,939.40x = 274,409.10 × 120,156.30
  4. Step 4: Simplify right side
    182,939.40x = 32,971,982,142.33
  5. Step 5: Solve for x
    x = 32,971,982,142.33/182,939.40
  6. Step 6: Final answer
    x = 180,234.45

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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.