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Finding the Fourth Proportional to 133,873.07, 184,713.14 and 75,731.14

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Solution

The fourth proportional to 133,873.07, 184,713.14 and 75,731.14 is: 104,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,873.07 : 184,713.14 = 75,731.14 : x
  2. Step 2: Convert to fraction form
    133,873.07/184,713.14 = 75,731.14/x
  3. Step 3: Cross multiply
    133,873.07x = 184,713.14 × 75,731.14
  4. Step 4: Simplify right side
    133,873.07x = 13,988,536,665.18
  5. Step 5: Solve for x
    x = 13,988,536,665.18/133,873.07
  6. Step 6: Final answer
    x = 104,491.04

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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.