Home / 248,304.75-342,636.86-139,384.16

Finding the Fourth Proportional to 248,304.75, 342,636.86 and 139,384.16

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Solution

The fourth proportional to 248,304.75, 342,636.86 and 139,384.16 is: 192,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,304.75 : 342,636.86 = 139,384.16 : x
  2. Step 2: Convert to fraction form
    248,304.75/342,636.86 = 139,384.16/x
  3. Step 3: Cross multiply
    248,304.75x = 342,636.86 × 139,384.16
  4. Step 4: Simplify right side
    248,304.75x = 47,758,148,506.03
  5. Step 5: Solve for x
    x = 47,758,148,506.03/248,304.75
  6. Step 6: Final answer
    x = 192,336.83

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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.