Home / 227,143.51-313,460.15-125,172.61

Finding the Fourth Proportional to 227,143.51, 313,460.15 and 125,172.61

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Solution

The fourth proportional to 227,143.51, 313,460.15 and 125,172.61 is: 172,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,143.51 : 313,460.15 = 125,172.61 : x
  2. Step 2: Convert to fraction form
    227,143.51/313,460.15 = 125,172.61/x
  3. Step 3: Cross multiply
    227,143.51x = 313,460.15 × 125,172.61
  4. Step 4: Simplify right side
    227,143.51x = 39,236,625,106.49
  5. Step 5: Solve for x
    x = 39,236,625,106.49/227,143.51
  6. Step 6: Final answer
    x = 172,739.36

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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.