Home / 144,260.64-199,135.24-129,126.60

Finding the Fourth Proportional to 144,260.64, 199,135.24 and 129,126.60

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Solution

The fourth proportional to 144,260.64, 199,135.24 and 129,126.60 is: 178,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,260.64 : 199,135.24 = 129,126.60 : x
  2. Step 2: Convert to fraction form
    144,260.64/199,135.24 = 129,126.60/x
  3. Step 3: Cross multiply
    144,260.64x = 199,135.24 × 129,126.60
  4. Step 4: Simplify right side
    144,260.64x = 25,713,656,481.38
  5. Step 5: Solve for x
    x = 25,713,656,481.38/144,260.64
  6. Step 6: Final answer
    x = 178,244.44

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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.