Home / 117,892.46-162,708.39-66,917.81

Finding the Fourth Proportional to 117,892.46, 162,708.39 and 66,917.81

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Solution

The fourth proportional to 117,892.46, 162,708.39 and 66,917.81 is: 92,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.46 : 162,708.39 = 66,917.81 : x
  2. Step 2: Convert to fraction form
    117,892.46/162,708.39 = 66,917.81/x
  3. Step 3: Cross multiply
    117,892.46x = 162,708.39 × 66,917.81
  4. Step 4: Simplify right side
    117,892.46x = 10,888,088,313.88
  5. Step 5: Solve for x
    x = 10,888,088,313.88/117,892.46
  6. Step 6: Final answer
    x = 92,356.11

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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.