Home / 120,819.60-181,206.72-50,699.52

Finding the Fourth Proportional to 120,819.60, 181,206.72 and 50,699.52

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Solution

The fourth proportional to 120,819.60, 181,206.72 and 50,699.52 is: 76,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,819.60 : 181,206.72 = 50,699.52 : x
  2. Step 2: Convert to fraction form
    120,819.60/181,206.72 = 50,699.52/x
  3. Step 3: Cross multiply
    120,819.60x = 181,206.72 × 50,699.52
  4. Step 4: Simplify right side
    120,819.60x = 9,187,093,724.77
  5. Step 5: Solve for x
    x = 9,187,093,724.77/120,819.60
  6. Step 6: Final answer
    x = 76,039.76

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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.