Home / 141,383.26-195,096.36-77,719.69

Finding the Fourth Proportional to 141,383.26, 195,096.36 and 77,719.69

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Solution

The fourth proportional to 141,383.26, 195,096.36 and 77,719.69 is: 107,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,383.26 : 195,096.36 = 77,719.69 : x
  2. Step 2: Convert to fraction form
    141,383.26/195,096.36 = 77,719.69/x
  3. Step 3: Cross multiply
    141,383.26x = 195,096.36 × 77,719.69
  4. Step 4: Simplify right side
    141,383.26x = 15,162,828,619.33
  5. Step 5: Solve for x
    x = 15,162,828,619.33/141,383.26
  6. Step 6: Final answer
    x = 107,246.28

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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.