Home / 238,647.65-329,334.99-131,224.61

Finding the Fourth Proportional to 238,647.65, 329,334.99 and 131,224.61

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Solution

The fourth proportional to 238,647.65, 329,334.99 and 131,224.61 is: 181,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,647.65 : 329,334.99 = 131,224.61 : x
  2. Step 2: Convert to fraction form
    238,647.65/329,334.99 = 131,224.61/x
  3. Step 3: Cross multiply
    238,647.65x = 329,334.99 × 131,224.61
  4. Step 4: Simplify right side
    238,647.65x = 43,216,853,975.43
  5. Step 5: Solve for x
    x = 43,216,853,975.43/238,647.65
  6. Step 6: Final answer
    x = 181,090.64

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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.