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Finding the Fourth Proportional to 133,383.60, 184,066.78 and 72,954.06

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Solution

The fourth proportional to 133,383.60, 184,066.78 and 72,954.06 is: 100,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,383.60 : 184,066.78 = 72,954.06 : x
  2. Step 2: Convert to fraction form
    133,383.60/184,066.78 = 72,954.06/x
  3. Step 3: Cross multiply
    133,383.60x = 184,066.78 × 72,954.06
  4. Step 4: Simplify right side
    133,383.60x = 13,428,418,912.13
  5. Step 5: Solve for x
    x = 13,428,418,912.13/133,383.60
  6. Step 6: Final answer
    x = 100,675.19

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1.5x scale

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.