Home / 187,971.30-259,400.70-103,088.88

Finding the Fourth Proportional to 187,971.30, 259,400.70 and 103,088.88

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Solution

The fourth proportional to 187,971.30, 259,400.70 and 103,088.88 is: 142,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,971.30 : 259,400.70 = 103,088.88 : x
  2. Step 2: Convert to fraction form
    187,971.30/259,400.70 = 103,088.88/x
  3. Step 3: Cross multiply
    187,971.30x = 259,400.70 × 103,088.88
  4. Step 4: Simplify right side
    187,971.30x = 26,741,327,634.22
  5. Step 5: Solve for x
    x = 26,741,327,634.22/187,971.30
  6. Step 6: Final answer
    x = 142,262.82

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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.