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Finding the Fourth Proportional to 133,914.94, 184,802.10 and 73,486.60

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Solution

The fourth proportional to 133,914.94, 184,802.10 and 73,486.60 is: 101,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,914.94 : 184,802.10 = 73,486.60 : x
  2. Step 2: Convert to fraction form
    133,914.94/184,802.10 = 73,486.60/x
  3. Step 3: Cross multiply
    133,914.94x = 184,802.10 × 73,486.60
  4. Step 4: Simplify right side
    133,914.94x = 13,580,478,001.86
  5. Step 5: Solve for x
    x = 13,580,478,001.86/133,914.94
  6. Step 6: Final answer
    x = 101,411.22

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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.