Home / 239,225.97-330,131.07-131,795.07

Finding the Fourth Proportional to 239,225.97, 330,131.07 and 131,795.07

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Solution

The fourth proportional to 239,225.97, 330,131.07 and 131,795.07 is: 181,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,225.97 : 330,131.07 = 131,795.07 : x
  2. Step 2: Convert to fraction form
    239,225.97/330,131.07 = 131,795.07/x
  3. Step 3: Cross multiply
    239,225.97x = 330,131.07 × 131,795.07
  4. Step 4: Simplify right side
    239,225.97x = 43,509,647,479.82
  5. Step 5: Solve for x
    x = 43,509,647,479.82/239,225.97
  6. Step 6: Final answer
    x = 181,876.77

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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.