Home / 225,587.63-311,281.27-134,910.47

Finding the Fourth Proportional to 225,587.63, 311,281.27 and 134,910.47

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Solution

The fourth proportional to 225,587.63, 311,281.27 and 134,910.47 is: 186,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,587.63 : 311,281.27 = 134,910.47 : x
  2. Step 2: Convert to fraction form
    225,587.63/311,281.27 = 134,910.47/x
  3. Step 3: Cross multiply
    225,587.63x = 311,281.27 × 134,910.47
  4. Step 4: Simplify right side
    225,587.63x = 41,995,100,544.21
  5. Step 5: Solve for x
    x = 41,995,100,544.21/225,587.63
  6. Step 6: Final answer
    x = 186,158.71

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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.