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Finding the Fourth Proportional to 133,491.84, 184,200.60 and 79,765.56

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Solution

The fourth proportional to 133,491.84, 184,200.60 and 79,765.56 is: 110,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,491.84 : 184,200.60 = 79,765.56 : x
  2. Step 2: Convert to fraction form
    133,491.84/184,200.60 = 79,765.56/x
  3. Step 3: Cross multiply
    133,491.84x = 184,200.60 × 79,765.56
  4. Step 4: Simplify right side
    133,491.84x = 14,692,864,011.34
  5. Step 5: Solve for x
    x = 14,692,864,011.34/133,491.84
  6. Step 6: Final answer
    x = 110,065.63

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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.