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Finding the Fourth Proportional to 133,649.64, 184,438.98 and 73,219.32

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Solution

The fourth proportional to 133,649.64, 184,438.98 and 73,219.32 is: 101,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.64 : 184,438.98 = 73,219.32 : x
  2. Step 2: Convert to fraction form
    133,649.64/184,438.98 = 73,219.32/x
  3. Step 3: Cross multiply
    133,649.64x = 184,438.98 × 73,219.32
  4. Step 4: Simplify right side
    133,649.64x = 13,504,496,697.09
  5. Step 5: Solve for x
    x = 13,504,496,697.09/133,649.64
  6. Step 6: Final answer
    x = 101,044.02

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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.