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Finding the Fourth Proportional to 129,954.75, 179,337.60 and 73,369.77

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Solution

The fourth proportional to 129,954.75, 179,337.60 and 73,369.77 is: 101,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,954.75 : 179,337.60 = 73,369.77 : x
  2. Step 2: Convert to fraction form
    129,954.75/179,337.60 = 73,369.77/x
  3. Step 3: Cross multiply
    129,954.75x = 179,337.60 × 73,369.77
  4. Step 4: Simplify right side
    129,954.75x = 13,157,958,464.35
  5. Step 5: Solve for x
    x = 13,157,958,464.35/129,954.75
  6. Step 6: Final answer
    x = 101,250.31

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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.