Home / 187,679.49-259,016.30-107,119.18

Finding the Fourth Proportional to 187,679.49, 259,016.30 and 107,119.18

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Solution

The fourth proportional to 187,679.49, 259,016.30 and 107,119.18 is: 147,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,679.49 : 259,016.30 = 107,119.18 : x
  2. Step 2: Convert to fraction form
    187,679.49/259,016.30 = 107,119.18/x
  3. Step 3: Cross multiply
    187,679.49x = 259,016.30 × 107,119.18
  4. Step 4: Simplify right side
    187,679.49x = 27,745,613,662.63
  5. Step 5: Solve for x
    x = 27,745,613,662.63/187,679.49
  6. Step 6: Final answer
    x = 147,835.09

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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.