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Finding the Fourth Proportional to 133,695.16, 184,499.16 and 73,269.60

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Solution

The fourth proportional to 133,695.16, 184,499.16 and 73,269.60 is: 101,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,695.16 : 184,499.16 = 73,269.60 : x
  2. Step 2: Convert to fraction form
    133,695.16/184,499.16 = 73,269.60/x
  3. Step 3: Cross multiply
    133,695.16x = 184,499.16 × 73,269.60
  4. Step 4: Simplify right side
    133,695.16x = 13,518,179,653.54
  5. Step 5: Solve for x
    x = 13,518,179,653.54/133,695.16
  6. Step 6: Final answer
    x = 101,111.96

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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.