Home / 141,068.79-194,674.91-80,640.74

Finding the Fourth Proportional to 141,068.79, 194,674.91 and 80,640.74

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Solution

The fourth proportional to 141,068.79, 194,674.91 and 80,640.74 is: 111,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,068.79 : 194,674.91 = 80,640.74 : x
  2. Step 2: Convert to fraction form
    141,068.79/194,674.91 = 80,640.74/x
  3. Step 3: Cross multiply
    141,068.79x = 194,674.91 × 80,640.74
  4. Step 4: Simplify right side
    141,068.79x = 15,698,728,801.83
  5. Step 5: Solve for x
    x = 15,698,728,801.83/141,068.79
  6. Step 6: Final answer
    x = 111,284.21

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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.