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Finding the Fourth Proportional to 133,373.37, 184,048.44 and 72,932.28

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Solution

The fourth proportional to 133,373.37, 184,048.44 and 72,932.28 is: 100,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,373.37 : 184,048.44 = 72,932.28 : x
  2. Step 2: Convert to fraction form
    133,373.37/184,048.44 = 72,932.28/x
  3. Step 3: Cross multiply
    133,373.37x = 184,048.44 × 72,932.28
  4. Step 4: Simplify right side
    133,373.37x = 13,423,072,359.64
  5. Step 5: Solve for x
    x = 13,423,072,359.64/133,373.37
  6. Step 6: Final answer
    x = 100,642.82

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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.