Home / 187,893.12-259,291.44-103,010.88

Finding the Fourth Proportional to 187,893.12, 259,291.44 and 103,010.88

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Solution

The fourth proportional to 187,893.12, 259,291.44 and 103,010.88 is: 142,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,893.12 : 259,291.44 = 103,010.88 : x
  2. Step 2: Convert to fraction form
    187,893.12/259,291.44 = 103,010.88/x
  3. Step 3: Cross multiply
    187,893.12x = 259,291.44 × 103,010.88
  4. Step 4: Simplify right side
    187,893.12x = 26,709,839,410.87
  5. Step 5: Solve for x
    x = 26,709,839,410.87/187,893.12
  6. Step 6: Final answer
    x = 142,154.43

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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.