Home / 120,861.60-181,269.72-50,741.52

Finding the Fourth Proportional to 120,861.60, 181,269.72 and 50,741.52

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Solution

The fourth proportional to 120,861.60, 181,269.72 and 50,741.52 is: 76,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,861.60 : 181,269.72 = 50,741.52 : x
  2. Step 2: Convert to fraction form
    120,861.60/181,269.72 = 50,741.52/x
  3. Step 3: Cross multiply
    120,861.60x = 181,269.72 × 50,741.52
  4. Step 4: Simplify right side
    120,861.60x = 9,197,901,122.77
  5. Step 5: Solve for x
    x = 9,197,901,122.77/120,861.60
  6. Step 6: Final answer
    x = 76,102.76

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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.