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Finding the Fourth Proportional to 133,146.96, 183,666.60 and 94,914.96

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Solution

The fourth proportional to 133,146.96, 183,666.60 and 94,914.96 is: 130,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,146.96 : 183,666.60 = 94,914.96 : x
  2. Step 2: Convert to fraction form
    133,146.96/183,666.60 = 94,914.96/x
  3. Step 3: Cross multiply
    133,146.96x = 183,666.60 × 94,914.96
  4. Step 4: Simplify right side
    133,146.96x = 17,432,707,992.34
  5. Step 5: Solve for x
    x = 17,432,707,992.34/133,146.96
  6. Step 6: Final answer
    x = 130,928.32

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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.