Home / 133,390.30-184,094.49-76,812.70

Finding the Fourth Proportional to 133,390.30, 184,094.49 and 76,812.70

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Solution

The fourth proportional to 133,390.30, 184,094.49 and 76,812.70 is: 106,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390.30 : 184,094.49 = 76,812.70 : x
  2. Step 2: Convert to fraction form
    133,390.30/184,094.49 = 76,812.70/x
  3. Step 3: Cross multiply
    133,390.30x = 184,094.49 × 76,812.70
  4. Step 4: Simplify right side
    133,390.30x = 14,140,794,832.02
  5. Step 5: Solve for x
    x = 14,140,794,832.02/133,390.30
  6. Step 6: Final answer
    x = 106,010.67

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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.