Home / 141,288.60-194,977.46-76,757.28

Finding the Fourth Proportional to 141,288.60, 194,977.46 and 76,757.28

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Solution

The fourth proportional to 141,288.60, 194,977.46 and 76,757.28 is: 105,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,288.60 : 194,977.46 = 76,757.28 : x
  2. Step 2: Convert to fraction form
    141,288.60/194,977.46 = 76,757.28/x
  3. Step 3: Cross multiply
    141,288.60x = 194,977.46 × 76,757.28
  4. Step 4: Simplify right side
    141,288.60x = 14,965,939,490.91
  5. Step 5: Solve for x
    x = 14,965,939,490.91/141,288.60
  6. Step 6: Final answer
    x = 105,924.61

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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.