Home / 238,842.68-329,596.10-131,412.79

Finding the Fourth Proportional to 238,842.68, 329,596.10 and 131,412.79

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Solution

The fourth proportional to 238,842.68, 329,596.10 and 131,412.79 is: 181,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,842.68 : 329,596.10 = 131,412.79 : x
  2. Step 2: Convert to fraction form
    238,842.68/329,596.10 = 131,412.79/x
  3. Step 3: Cross multiply
    238,842.68x = 329,596.10 × 131,412.79
  4. Step 4: Simplify right side
    238,842.68x = 43,313,141,426.14
  5. Step 5: Solve for x
    x = 43,313,141,426.14/238,842.68
  6. Step 6: Final answer
    x = 181,345.90

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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.