Home / 250,375.04-345,506.28-137,195.36

Finding the Fourth Proportional to 250,375.04, 345,506.28 and 137,195.36

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Solution

The fourth proportional to 250,375.04, 345,506.28 and 137,195.36 is: 189,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,375.04 : 345,506.28 = 137,195.36 : x
  2. Step 2: Convert to fraction form
    250,375.04/345,506.28 = 137,195.36/x
  3. Step 3: Cross multiply
    250,375.04x = 345,506.28 × 137,195.36
  4. Step 4: Simplify right side
    250,375.04x = 47,401,858,466.86
  5. Step 5: Solve for x
    x = 47,401,858,466.86/250,375.04
  6. Step 6: Final answer
    x = 189,323.42

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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.