Home / 248,267.92-342,608.16-135,091.12

Finding the Fourth Proportional to 248,267.92, 342,608.16 and 135,091.12

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Solution

The fourth proportional to 248,267.92, 342,608.16 and 135,091.12 is: 186,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,267.92 : 342,608.16 = 135,091.12 : x
  2. Step 2: Convert to fraction form
    248,267.92/342,608.16 = 135,091.12/x
  3. Step 3: Cross multiply
    248,267.92x = 342,608.16 × 135,091.12
  4. Step 4: Simplify right side
    248,267.92x = 46,283,320,055.54
  5. Step 5: Solve for x
    x = 46,283,320,055.54/248,267.92
  6. Step 6: Final answer
    x = 186,424.89

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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.