Home / 141,270.10-194,951.80-76,738.75

Finding the Fourth Proportional to 141,270.10, 194,951.80 and 76,738.75

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Solution

The fourth proportional to 141,270.10, 194,951.80 and 76,738.75 is: 105,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,270.10 : 194,951.80 = 76,738.75 : x
  2. Step 2: Convert to fraction form
    141,270.10/194,951.80 = 76,738.75/x
  3. Step 3: Cross multiply
    141,270.10x = 194,951.80 × 76,738.75
  4. Step 4: Simplify right side
    141,270.10x = 14,960,357,442.25
  5. Step 5: Solve for x
    x = 14,960,357,442.25/141,270.10
  6. Step 6: Final answer
    x = 105,898.97

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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.