Home / 225,405.36-311,081.04-124,803.36

Finding the Fourth Proportional to 225,405.36, 311,081.04 and 124,803.36

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Solution

The fourth proportional to 225,405.36, 311,081.04 and 124,803.36 is: 172,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,405.36 : 311,081.04 = 124,803.36 : x
  2. Step 2: Convert to fraction form
    225,405.36/311,081.04 = 124,803.36/x
  3. Step 3: Cross multiply
    225,405.36x = 311,081.04 × 124,803.36
  4. Step 4: Simplify right side
    225,405.36x = 38,823,959,024.29
  5. Step 5: Solve for x
    x = 38,823,959,024.29/225,405.36
  6. Step 6: Final answer
    x = 172,240.62

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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.