Home / 187,973.56-259,379.52-107,406.32

Finding the Fourth Proportional to 187,973.56, 259,379.52 and 107,406.32

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Solution

The fourth proportional to 187,973.56, 259,379.52 and 107,406.32 is: 148,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,973.56 : 259,379.52 = 107,406.32 : x
  2. Step 2: Convert to fraction form
    187,973.56/259,379.52 = 107,406.32/x
  3. Step 3: Cross multiply
    187,973.56x = 259,379.52 × 107,406.32
  4. Step 4: Simplify right side
    187,973.56x = 27,858,999,726.57
  5. Step 5: Solve for x
    x = 27,858,999,726.57/187,973.56
  6. Step 6: Final answer
    x = 148,207.01

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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.