Home / 239,351.26-330,323.73-131,940.40

Finding the Fourth Proportional to 239,351.26, 330,323.73 and 131,940.40

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Solution

The fourth proportional to 239,351.26, 330,323.73 and 131,940.40 is: 182,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,351.26 : 330,323.73 = 131,940.40 : x
  2. Step 2: Convert to fraction form
    239,351.26/330,323.73 = 131,940.40/x
  3. Step 3: Cross multiply
    239,351.26x = 330,323.73 × 131,940.40
  4. Step 4: Simplify right side
    239,351.26x = 43,583,045,065.69
  5. Step 5: Solve for x
    x = 43,583,045,065.69/239,351.26
  6. Step 6: Final answer
    x = 182,088.22

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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.