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Finding the Fourth Proportional to 133,656.80, 184,438.56 and 73,215.44

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Solution

The fourth proportional to 133,656.80, 184,438.56 and 73,215.44 is: 101,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,656.80 : 184,438.56 = 73,215.44 : x
  2. Step 2: Convert to fraction form
    133,656.80/184,438.56 = 73,215.44/x
  3. Step 3: Cross multiply
    133,656.80x = 184,438.56 × 73,215.44
  4. Step 4: Simplify right side
    133,656.80x = 13,503,750,323.37
  5. Step 5: Solve for x
    x = 13,503,750,323.37/133,656.80
  6. Step 6: Final answer
    x = 101,033.02

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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.