Home / 263,630.79-395,364.36-95,129.25

Finding the Fourth Proportional to 263,630.79, 395,364.36 and 95,129.25

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Solution

The fourth proportional to 263,630.79, 395,364.36 and 95,129.25 is: 142,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,630.79 : 395,364.36 = 95,129.25 : x
  2. Step 2: Convert to fraction form
    263,630.79/395,364.36 = 95,129.25/x
  3. Step 3: Cross multiply
    263,630.79x = 395,364.36 × 95,129.25
  4. Step 4: Simplify right side
    263,630.79x = 37,610,715,043.53
  5. Step 5: Solve for x
    x = 37,610,715,043.53/263,630.79
  6. Step 6: Final answer
    x = 142,664.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.