Home / 187,955.46-259,383.66-107,396.10

Finding the Fourth Proportional to 187,955.46, 259,383.66 and 107,396.10

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Solution

The fourth proportional to 187,955.46, 259,383.66 and 107,396.10 is: 148,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,955.46 : 259,383.66 = 107,396.10 : x
  2. Step 2: Convert to fraction form
    187,955.46/259,383.66 = 107,396.10/x
  3. Step 3: Cross multiply
    187,955.46x = 259,383.66 × 107,396.10
  4. Step 4: Simplify right side
    187,955.46x = 27,856,793,487.73
  5. Step 5: Solve for x
    x = 27,856,793,487.73/187,955.46
  6. Step 6: Final answer
    x = 148,209.55

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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.