Home / 187,973.21-259,379.04-107,405.96

Finding the Fourth Proportional to 187,973.21, 259,379.04 and 107,405.96

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Solution

The fourth proportional to 187,973.21, 259,379.04 and 107,405.96 is: 148,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,973.21 : 259,379.04 = 107,405.96 : x
  2. Step 2: Convert to fraction form
    187,973.21/259,379.04 = 107,405.96/x
  3. Step 3: Cross multiply
    187,973.21x = 259,379.04 × 107,405.96
  4. Step 4: Simplify right side
    187,973.21x = 27,858,853,498.18
  5. Step 5: Solve for x
    x = 27,858,853,498.18/187,973.21
  6. Step 6: Final answer
    x = 148,206.51

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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.