Home / 248,631.40-342,993.78-168,087.16

Finding the Fourth Proportional to 248,631.40, 342,993.78 and 168,087.16

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Solution

The fourth proportional to 248,631.40, 342,993.78 and 168,087.16 is: 231,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,631.40 : 342,993.78 = 168,087.16 : x
  2. Step 2: Convert to fraction form
    248,631.40/342,993.78 = 168,087.16/x
  3. Step 3: Cross multiply
    248,631.40x = 342,993.78 × 168,087.16
  4. Step 4: Simplify right side
    248,631.40x = 57,652,850,377.86
  5. Step 5: Solve for x
    x = 57,652,850,377.86/248,631.40
  6. Step 6: Final answer
    x = 231,880.81

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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.