Home / 239,166.78-330,037.98-131,734.50

Finding the Fourth Proportional to 239,166.78, 330,037.98 and 131,734.50

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Solution

The fourth proportional to 239,166.78, 330,037.98 and 131,734.50 is: 181,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,166.78 : 330,037.98 = 131,734.50 : x
  2. Step 2: Convert to fraction form
    239,166.78/330,037.98 = 131,734.50/x
  3. Step 3: Cross multiply
    239,166.78x = 330,037.98 × 131,734.50
  4. Step 4: Simplify right side
    239,166.78x = 43,477,388,276.31
  5. Step 5: Solve for x
    x = 43,477,388,276.31/239,166.78
  6. Step 6: Final answer
    x = 181,786.90

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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.