Home / 236,002.05-353,871.84-78,144.39

Finding the Fourth Proportional to 236,002.05, 353,871.84 and 78,144.39

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Solution

The fourth proportional to 236,002.05, 353,871.84 and 78,144.39 is: 117,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,002.05 : 353,871.84 = 78,144.39 : x
  2. Step 2: Convert to fraction form
    236,002.05/353,871.84 = 78,144.39/x
  3. Step 3: Cross multiply
    236,002.05x = 353,871.84 × 78,144.39
  4. Step 4: Simplify right side
    236,002.05x = 27,653,099,074.98
  5. Step 5: Solve for x
    x = 27,653,099,074.98/236,002.05
  6. Step 6: Final answer
    x = 117,173.13

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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.