Home / 248,325.54-342,725.36-139,442.10

Finding the Fourth Proportional to 248,325.54, 342,725.36 and 139,442.10

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Solution

The fourth proportional to 248,325.54, 342,725.36 and 139,442.10 is: 192,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,325.54 : 342,725.36 = 139,442.10 : x
  2. Step 2: Convert to fraction form
    248,325.54/342,725.36 = 139,442.10/x
  3. Step 3: Cross multiply
    248,325.54x = 342,725.36 × 139,442.10
  4. Step 4: Simplify right side
    248,325.54x = 47,790,343,921.66
  5. Step 5: Solve for x
    x = 47,790,343,921.66/248,325.54
  6. Step 6: Final answer
    x = 192,450.38

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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.