Home / 227,139.12-313,465.88-125,164.59

Finding the Fourth Proportional to 227,139.12, 313,465.88 and 125,164.59

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Solution

The fourth proportional to 227,139.12, 313,465.88 and 125,164.59 is: 172,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,139.12 : 313,465.88 = 125,164.59 : x
  2. Step 2: Convert to fraction form
    227,139.12/313,465.88 = 125,164.59/x
  3. Step 3: Cross multiply
    227,139.12x = 313,465.88 × 125,164.59
  4. Step 4: Simplify right side
    227,139.12x = 39,234,827,723.37
  5. Step 5: Solve for x
    x = 39,234,827,723.37/227,139.12
  6. Step 6: Final answer
    x = 172,734.79

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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.