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Finding the Fourth Proportional to 187,996.44, 259,451.72 and 103,130.04

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Solution

The fourth proportional to 187,996.44, 259,451.72 and 103,130.04 is: 142,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,996.44 : 259,451.72 = 103,130.04 : x
  2. Step 2: Convert to fraction form
    187,996.44/259,451.72 = 103,130.04/x
  3. Step 3: Cross multiply
    187,996.44x = 259,451.72 × 103,130.04
  4. Step 4: Simplify right side
    187,996.44x = 26,757,266,261.67
  5. Step 5: Solve for x
    x = 26,757,266,261.67/187,996.44
  6. Step 6: Final answer
    x = 142,328.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.