Home / 172,634.49-238,300.38-127,674.33

Finding the Fourth Proportional to 172,634.49, 238,300.38 and 127,674.33

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Solution

The fourth proportional to 172,634.49, 238,300.38 and 127,674.33 is: 176,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,634.49 : 238,300.38 = 127,674.33 : x
  2. Step 2: Convert to fraction form
    172,634.49/238,300.38 = 127,674.33/x
  3. Step 3: Cross multiply
    172,634.49x = 238,300.38 × 127,674.33
  4. Step 4: Simplify right side
    172,634.49x = 30,424,840,461.62
  5. Step 5: Solve for x
    x = 30,424,840,461.62/172,634.49
  6. Step 6: Final answer
    x = 176,238.48

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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.