Home / 246,231.76-339,779.42-138,828.20

Finding the Fourth Proportional to 246,231.76, 339,779.42 and 138,828.20

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Solution

The fourth proportional to 246,231.76, 339,779.42 and 138,828.20 is: 191,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,231.76 : 339,779.42 = 138,828.20 : x
  2. Step 2: Convert to fraction form
    246,231.76/339,779.42 = 138,828.20/x
  3. Step 3: Cross multiply
    246,231.76x = 339,779.42 × 138,828.20
  4. Step 4: Simplify right side
    246,231.76x = 47,170,965,275.64
  5. Step 5: Solve for x
    x = 47,170,965,275.64/246,231.76
  6. Step 6: Final answer
    x = 191,571.41

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1.5x scale

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.