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Finding the Fourth Proportional to 133,486.14, 184,208.42 and 73,055.58

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Solution

The fourth proportional to 133,486.14, 184,208.42 and 73,055.58 is: 100,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,486.14 : 184,208.42 = 73,055.58 : x
  2. Step 2: Convert to fraction form
    133,486.14/184,208.42 = 73,055.58/x
  3. Step 3: Cross multiply
    133,486.14x = 184,208.42 × 73,055.58
  4. Step 4: Simplify right side
    133,486.14x = 13,457,452,598.71
  5. Step 5: Solve for x
    x = 13,457,452,598.71/133,486.14
  6. Step 6: Final answer
    x = 100,815.36

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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.