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Finding the Fourth Proportional to 133,838.40, 184,708.84 and 73,420.82

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Solution

The fourth proportional to 133,838.40, 184,708.84 and 73,420.82 is: 101,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,838.40 : 184,708.84 = 73,420.82 : x
  2. Step 2: Convert to fraction form
    133,838.40/184,708.84 = 73,420.82/x
  3. Step 3: Cross multiply
    133,838.40x = 184,708.84 × 73,420.82
  4. Step 4: Simplify right side
    133,838.40x = 13,561,474,494.05
  5. Step 5: Solve for x
    x = 13,561,474,494.05/133,838.40
  6. Step 6: Final answer
    x = 101,327.23

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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.