Home / 187,686.42-259,011.48-107,112.34

Finding the Fourth Proportional to 187,686.42, 259,011.48 and 107,112.34

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Solution

The fourth proportional to 187,686.42, 259,011.48 and 107,112.34 is: 147,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,686.42 : 259,011.48 = 107,112.34 : x
  2. Step 2: Convert to fraction form
    187,686.42/259,011.48 = 107,112.34/x
  3. Step 3: Cross multiply
    187,686.42x = 259,011.48 × 107,112.34
  4. Step 4: Simplify right side
    187,686.42x = 27,743,325,709.66
  5. Step 5: Solve for x
    x = 27,743,325,709.66/187,686.42
  6. Step 6: Final answer
    x = 147,817.44

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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.