Home / 188,944.74-260,692.08-131,519.59

Finding the Fourth Proportional to 188,944.74, 260,692.08 and 131,519.59

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Solution

The fourth proportional to 188,944.74, 260,692.08 and 131,519.59 is: 181,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,944.74 : 260,692.08 = 131,519.59 : x
  2. Step 2: Convert to fraction form
    188,944.74/260,692.08 = 131,519.59/x
  3. Step 3: Cross multiply
    188,944.74x = 260,692.08 × 131,519.59
  4. Step 4: Simplify right side
    188,944.74x = 34,286,115,477.85
  5. Step 5: Solve for x
    x = 34,286,115,477.85/188,944.74
  6. Step 6: Final answer
    x = 181,461.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.