Home / 239,841.37-331,024.42-143,051.43

Finding the Fourth Proportional to 239,841.37, 331,024.42 and 143,051.43

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Solution

The fourth proportional to 239,841.37, 331,024.42 and 143,051.43 is: 197,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,841.37 : 331,024.42 = 143,051.43 : x
  2. Step 2: Convert to fraction form
    239,841.37/331,024.42 = 143,051.43/x
  3. Step 3: Cross multiply
    239,841.37x = 331,024.42 × 143,051.43
  4. Step 4: Simplify right side
    239,841.37x = 47,353,516,645.92
  5. Step 5: Solve for x
    x = 47,353,516,645.92/239,841.37
  6. Step 6: Final answer
    x = 197,436.82

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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.