Home / 94,580.92-141,682.38-81,955.72

Finding the Fourth Proportional to 94,580.92, 141,682.38 and 81,955.72

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Solution

The fourth proportional to 94,580.92, 141,682.38 and 81,955.72 is: 122,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,580.92 : 141,682.38 = 81,955.72 : x
  2. Step 2: Convert to fraction form
    94,580.92/141,682.38 = 81,955.72/x
  3. Step 3: Cross multiply
    94,580.92x = 141,682.38 × 81,955.72
  4. Step 4: Simplify right side
    94,580.92x = 11,611,681,464.21
  5. Step 5: Solve for x
    x = 11,611,681,464.21/94,580.92
  6. Step 6: Final answer
    x = 122,769.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.