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Finding the Fourth Proportional to 141,003.96, 211,090.41 and 123,507.96

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Solution

The fourth proportional to 141,003.96, 211,090.41 and 123,507.96 is: 184,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,003.96 : 211,090.41 = 123,507.96 : x
  2. Step 2: Convert to fraction form
    141,003.96/211,090.41 = 123,507.96/x
  3. Step 3: Cross multiply
    141,003.96x = 211,090.41 × 123,507.96
  4. Step 4: Simplify right side
    141,003.96x = 26,071,345,914.66
  5. Step 5: Solve for x
    x = 26,071,345,914.66/141,003.96
  6. Step 6: Final answer
    x = 184,897.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.