Home / 248,410.40-342,806.26-135,233.12

Finding the Fourth Proportional to 248,410.40, 342,806.26 and 135,233.12

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Solution

The fourth proportional to 248,410.40, 342,806.26 and 135,233.12 is: 186,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,410.40 : 342,806.26 = 135,233.12 : x
  2. Step 2: Convert to fraction form
    248,410.40/342,806.26 = 135,233.12/x
  3. Step 3: Cross multiply
    248,410.40x = 342,806.26 × 135,233.12
  4. Step 4: Simplify right side
    248,410.40x = 46,358,760,095.33
  5. Step 5: Solve for x
    x = 46,358,760,095.33/248,410.40
  6. Step 6: Final answer
    x = 186,621.66

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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.