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Finding the Fourth Proportional to 133,349.46, 184,019.48 and 72,919.42

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Solution

The fourth proportional to 133,349.46, 184,019.48 and 72,919.42 is: 100,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,349.46 : 184,019.48 = 72,919.42 : x
  2. Step 2: Convert to fraction form
    133,349.46/184,019.48 = 72,919.42/x
  3. Step 3: Cross multiply
    133,349.46x = 184,019.48 × 72,919.42
  4. Step 4: Simplify right side
    133,349.46x = 13,418,593,750.30
  5. Step 5: Solve for x
    x = 13,418,593,750.30/133,349.46
  6. Step 6: Final answer
    x = 100,627.28

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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.