Home / 246,467.72-340,141.21-138,998.54

Finding the Fourth Proportional to 246,467.72, 340,141.21 and 138,998.54

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Solution

The fourth proportional to 246,467.72, 340,141.21 and 138,998.54 is: 191,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,467.72 : 340,141.21 = 138,998.54 : x
  2. Step 2: Convert to fraction form
    246,467.72/340,141.21 = 138,998.54/x
  3. Step 3: Cross multiply
    246,467.72x = 340,141.21 × 138,998.54
  4. Step 4: Simplify right side
    246,467.72x = 47,279,132,271.81
  5. Step 5: Solve for x
    x = 47,279,132,271.81/246,467.72
  6. Step 6: Final answer
    x = 191,826.87

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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.