Home / 248,499.30-342,932.94-135,321.96

Finding the Fourth Proportional to 248,499.30, 342,932.94 and 135,321.96

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Solution

The fourth proportional to 248,499.30, 342,932.94 and 135,321.96 is: 186,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,499.30 : 342,932.94 = 135,321.96 : x
  2. Step 2: Convert to fraction form
    248,499.30/342,932.94 = 135,321.96/x
  3. Step 3: Cross multiply
    248,499.30x = 342,932.94 × 135,321.96
  4. Step 4: Simplify right side
    248,499.30x = 46,406,357,589.36
  5. Step 5: Solve for x
    x = 46,406,357,589.36/248,499.30
  6. Step 6: Final answer
    x = 186,746.43

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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.