Home / 252,262.51-348,124.97-137,540.21

Finding the Fourth Proportional to 252,262.51, 348,124.97 and 137,540.21

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Solution

The fourth proportional to 252,262.51, 348,124.97 and 137,540.21 is: 189,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,262.51 : 348,124.97 = 137,540.21 : x
  2. Step 2: Convert to fraction form
    252,262.51/348,124.97 = 137,540.21/x
  3. Step 3: Cross multiply
    252,262.51x = 348,124.97 × 137,540.21
  4. Step 4: Simplify right side
    252,262.51x = 47,881,181,388.74
  5. Step 5: Solve for x
    x = 47,881,181,388.74/252,262.51
  6. Step 6: Final answer
    x = 189,806.97

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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.