Home / 141,425.26-195,171.87-77,767.90

Finding the Fourth Proportional to 141,425.26, 195,171.87 and 77,767.90

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Solution

The fourth proportional to 141,425.26, 195,171.87 and 77,767.90 is: 107,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,425.26 : 195,171.87 = 77,767.90 : x
  2. Step 2: Convert to fraction form
    141,425.26/195,171.87 = 77,767.90/x
  3. Step 3: Cross multiply
    141,425.26x = 195,171.87 × 77,767.90
  4. Step 4: Simplify right side
    141,425.26x = 15,178,106,468.97
  5. Step 5: Solve for x
    x = 15,178,106,468.97/141,425.26
  6. Step 6: Final answer
    x = 107,322.46

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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.