Home / 120,259.38-180,391.14-35,999.94

Finding the Fourth Proportional to 120,259.38, 180,391.14 and 35,999.94

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Solution

The fourth proportional to 120,259.38, 180,391.14 and 35,999.94 is: 54,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,259.38 : 180,391.14 = 35,999.94 : x
  2. Step 2: Convert to fraction form
    120,259.38/180,391.14 = 35,999.94/x
  3. Step 3: Cross multiply
    120,259.38x = 180,391.14 × 35,999.94
  4. Step 4: Simplify right side
    120,259.38x = 6,494,070,216.53
  5. Step 5: Solve for x
    x = 6,494,070,216.53/120,259.38
  6. Step 6: Final answer
    x = 54,000.53

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1.5x scale

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.