Home / 131,093.64-180,882.06-76,635.24

Finding the Fourth Proportional to 131,093.64, 180,882.06 and 76,635.24

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Solution

The fourth proportional to 131,093.64, 180,882.06 and 76,635.24 is: 105,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,093.64 : 180,882.06 = 76,635.24 : x
  2. Step 2: Convert to fraction form
    131,093.64/180,882.06 = 76,635.24/x
  3. Step 3: Cross multiply
    131,093.64x = 180,882.06 × 76,635.24
  4. Step 4: Simplify right side
    131,093.64x = 13,861,940,079.79
  5. Step 5: Solve for x
    x = 13,861,940,079.79/131,093.64
  6. Step 6: Final answer
    x = 105,740.75

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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.