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Finding the Fourth Proportional to 133,333.56, 184,000.34 and 72,909.79

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Solution

The fourth proportional to 133,333.56, 184,000.34 and 72,909.79 is: 100,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,333.56 : 184,000.34 = 72,909.79 : x
  2. Step 2: Convert to fraction form
    133,333.56/184,000.34 = 72,909.79/x
  3. Step 3: Cross multiply
    133,333.56x = 184,000.34 × 72,909.79
  4. Step 4: Simplify right side
    133,333.56x = 13,415,425,871.60
  5. Step 5: Solve for x
    x = 13,415,425,871.60/133,333.56
  6. Step 6: Final answer
    x = 100,615.52

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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.