Home / 133,487.62-184,215.34-76,133.54

Finding the Fourth Proportional to 133,487.62, 184,215.34 and 76,133.54

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Solution

The fourth proportional to 133,487.62, 184,215.34 and 76,133.54 is: 105,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,487.62 : 184,215.34 = 76,133.54 : x
  2. Step 2: Convert to fraction form
    133,487.62/184,215.34 = 76,133.54/x
  3. Step 3: Cross multiply
    133,487.62x = 184,215.34 × 76,133.54
  4. Step 4: Simplify right side
    133,487.62x = 14,024,965,956.50
  5. Step 5: Solve for x
    x = 14,024,965,956.50/133,487.62
  6. Step 6: Final answer
    x = 105,065.67

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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.