Home / 133,581.03-184,358.88-76,992.81

Finding the Fourth Proportional to 133,581.03, 184,358.88 and 76,992.81

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Solution

The fourth proportional to 133,581.03, 184,358.88 and 76,992.81 is: 106,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,581.03 : 184,358.88 = 76,992.81 : x
  2. Step 2: Convert to fraction form
    133,581.03/184,358.88 = 76,992.81/x
  3. Step 3: Cross multiply
    133,581.03x = 184,358.88 × 76,992.81
  4. Step 4: Simplify right side
    133,581.03x = 14,194,308,219.65
  5. Step 5: Solve for x
    x = 14,194,308,219.65/133,581.03
  6. Step 6: Final answer
    x = 106,259.91

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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.