Home / 248,172.80-342,472.32-140,743.04

Finding the Fourth Proportional to 248,172.80, 342,472.32 and 140,743.04

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Solution

The fourth proportional to 248,172.80, 342,472.32 and 140,743.04 is: 194,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,172.80 : 342,472.32 = 140,743.04 : x
  2. Step 2: Convert to fraction form
    248,172.80/342,472.32 = 140,743.04/x
  3. Step 3: Cross multiply
    248,172.80x = 342,472.32 × 140,743.04
  4. Step 4: Simplify right side
    248,172.80x = 48,200,595,432.65
  5. Step 5: Solve for x
    x = 48,200,595,432.65/248,172.80
  6. Step 6: Final answer
    x = 194,221.91

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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.