Home / 141,668.94-195,441.48-81,225.72

Finding the Fourth Proportional to 141,668.94, 195,441.48 and 81,225.72

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Solution

The fourth proportional to 141,668.94, 195,441.48 and 81,225.72 is: 112,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,668.94 : 195,441.48 = 81,225.72 : x
  2. Step 2: Convert to fraction form
    141,668.94/195,441.48 = 81,225.72/x
  3. Step 3: Cross multiply
    141,668.94x = 195,441.48 × 81,225.72
  4. Step 4: Simplify right side
    141,668.94x = 15,874,874,930.87
  5. Step 5: Solve for x
    x = 15,874,874,930.87/141,668.94
  6. Step 6: Final answer
    x = 112,056.14

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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.