Home / 250,404.48-345,556.80-137,223.36

Finding the Fourth Proportional to 250,404.48, 345,556.80 and 137,223.36

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Solution

The fourth proportional to 250,404.48, 345,556.80 and 137,223.36 is: 189,367.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,404.48 : 345,556.80 = 137,223.36 : x
  2. Step 2: Convert to fraction form
    250,404.48/345,556.80 = 137,223.36/x
  3. Step 3: Cross multiply
    250,404.48x = 345,556.80 × 137,223.36
  4. Step 4: Simplify right side
    250,404.48x = 47,418,465,166.85
  5. Step 5: Solve for x
    x = 47,418,465,166.85/250,404.48
  6. Step 6: Final answer
    x = 189,367.48

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1.5x scale

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.