Home / 187,900.56-259,305.30-103,017.42

Finding the Fourth Proportional to 187,900.56, 259,305.30 and 103,017.42

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Solution

The fourth proportional to 187,900.56, 259,305.30 and 103,017.42 is: 142,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,900.56 : 259,305.30 = 103,017.42 : x
  2. Step 2: Convert to fraction form
    187,900.56/259,305.30 = 103,017.42/x
  3. Step 3: Cross multiply
    187,900.56x = 259,305.30 × 103,017.42
  4. Step 4: Simplify right side
    187,900.56x = 26,712,962,998.33
  5. Step 5: Solve for x
    x = 26,712,962,998.33/187,900.56
  6. Step 6: Final answer
    x = 142,165.43

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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.