Home / 133,568.24-184,282.44-76,971.92

Finding the Fourth Proportional to 133,568.24, 184,282.44 and 76,971.92

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Solution

The fourth proportional to 133,568.24, 184,282.44 and 76,971.92 is: 106,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,568.24 : 184,282.44 = 76,971.92 : x
  2. Step 2: Convert to fraction form
    133,568.24/184,282.44 = 76,971.92/x
  3. Step 3: Cross multiply
    133,568.24x = 184,282.44 × 76,971.92
  4. Step 4: Simplify right side
    133,568.24x = 14,184,573,229.08
  5. Step 5: Solve for x
    x = 14,184,573,229.08/133,568.24
  6. Step 6: Final answer
    x = 106,197.20

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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.