Home / 248,258.61-342,600.30-135,081.36

Finding the Fourth Proportional to 248,258.61, 342,600.30 and 135,081.36

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Solution

The fourth proportional to 248,258.61, 342,600.30 and 135,081.36 is: 186,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,258.61 : 342,600.30 = 135,081.36 : x
  2. Step 2: Convert to fraction form
    248,258.61/342,600.30 = 135,081.36/x
  3. Step 3: Cross multiply
    248,258.61x = 342,600.30 × 135,081.36
  4. Step 4: Simplify right side
    248,258.61x = 46,278,914,460.41
  5. Step 5: Solve for x
    x = 46,278,914,460.41/248,258.61
  6. Step 6: Final answer
    x = 186,414.14

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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.