Home / 248,346.78-342,718.50-135,170.34

Finding the Fourth Proportional to 248,346.78, 342,718.50 and 135,170.34

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Solution

The fourth proportional to 248,346.78, 342,718.50 and 135,170.34 is: 186,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,346.78 : 342,718.50 = 135,170.34 : x
  2. Step 2: Convert to fraction form
    248,346.78/342,718.50 = 135,170.34/x
  3. Step 3: Cross multiply
    248,346.78x = 342,718.50 × 135,170.34
  4. Step 4: Simplify right side
    248,346.78x = 46,325,376,169.29
  5. Step 5: Solve for x
    x = 46,325,376,169.29/248,346.78
  6. Step 6: Final answer
    x = 186,535.04

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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.