Home / 248,122.90-342,399.72-134,945.74

Finding the Fourth Proportional to 248,122.90, 342,399.72 and 134,945.74

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Solution

The fourth proportional to 248,122.90, 342,399.72 and 134,945.74 is: 186,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,122.90 : 342,399.72 = 134,945.74 : x
  2. Step 2: Convert to fraction form
    248,122.90/342,399.72 = 134,945.74/x
  3. Step 3: Cross multiply
    248,122.90x = 342,399.72 × 134,945.74
  4. Step 4: Simplify right side
    248,122.90x = 46,205,383,591.19
  5. Step 5: Solve for x
    x = 46,205,383,591.19/248,122.90
  6. Step 6: Final answer
    x = 186,219.75

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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.