Home / 189,094.08-260,939.84-104,195.20

Finding the Fourth Proportional to 189,094.08, 260,939.84 and 104,195.20

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Solution

The fourth proportional to 189,094.08, 260,939.84 and 104,195.20 is: 143,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,094.08 : 260,939.84 = 104,195.20 : x
  2. Step 2: Convert to fraction form
    189,094.08/260,939.84 = 104,195.20/x
  3. Step 3: Cross multiply
    189,094.08x = 260,939.84 × 104,195.20
  4. Step 4: Simplify right side
    189,094.08x = 27,188,678,816.77
  5. Step 5: Solve for x
    x = 27,188,678,816.77/189,094.08
  6. Step 6: Final answer
    x = 143,783.87

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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.