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Finding the Fourth Proportional to 133,382.16, 184,060.50 and 72,941.04

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Solution

The fourth proportional to 133,382.16, 184,060.50 and 72,941.04 is: 100,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,382.16 : 184,060.50 = 72,941.04 : x
  2. Step 2: Convert to fraction form
    133,382.16/184,060.50 = 72,941.04/x
  3. Step 3: Cross multiply
    133,382.16x = 184,060.50 × 72,941.04
  4. Step 4: Simplify right side
    133,382.16x = 13,425,564,292.92
  5. Step 5: Solve for x
    x = 13,425,564,292.92/133,382.16
  6. Step 6: Final answer
    x = 100,654.87

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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.