Home / 225,943.26-311,828.31-125,347.74

Finding the Fourth Proportional to 225,943.26, 311,828.31 and 125,347.74

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Solution

The fourth proportional to 225,943.26, 311,828.31 and 125,347.74 is: 172,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,943.26 : 311,828.31 = 125,347.74 : x
  2. Step 2: Convert to fraction form
    225,943.26/311,828.31 = 125,347.74/x
  3. Step 3: Cross multiply
    225,943.26x = 311,828.31 × 125,347.74
  4. Step 4: Simplify right side
    225,943.26x = 39,086,973,926.52
  5. Step 5: Solve for x
    x = 39,086,973,926.52/225,943.26
  6. Step 6: Final answer
    x = 172,994.64

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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.