Home / 238,636.99-329,310.61-131,206.18

Finding the Fourth Proportional to 238,636.99, 329,310.61 and 131,206.18

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Solution

The fourth proportional to 238,636.99, 329,310.61 and 131,206.18 is: 181,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,636.99 : 329,310.61 = 131,206.18 : x
  2. Step 2: Convert to fraction form
    238,636.99/329,310.61 = 131,206.18/x
  3. Step 3: Cross multiply
    238,636.99x = 329,310.61 × 131,206.18
  4. Step 4: Simplify right side
    238,636.99x = 43,207,586,637.74
  5. Step 5: Solve for x
    x = 43,207,586,637.74/238,636.99
  6. Step 6: Final answer
    x = 181,059.89

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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.