Home / 248,005.48-342,256.74-137,627.24

Finding the Fourth Proportional to 248,005.48, 342,256.74 and 137,627.24

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Solution

The fourth proportional to 248,005.48, 342,256.74 and 137,627.24 is: 189,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,005.48 : 342,256.74 = 137,627.24 : x
  2. Step 2: Convert to fraction form
    248,005.48/342,256.74 = 137,627.24/x
  3. Step 3: Cross multiply
    248,005.48x = 342,256.74 × 137,627.24
  4. Step 4: Simplify right side
    248,005.48x = 47,103,850,497.60
  5. Step 5: Solve for x
    x = 47,103,850,497.60/248,005.48
  6. Step 6: Final answer
    x = 189,930.68

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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.