Home / 79,171.12-118,726.94-25,850.64

Finding the Fourth Proportional to 79,171.12, 118,726.94 and 25,850.64

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Solution

The fourth proportional to 79,171.12, 118,726.94 and 25,850.64 is: 38,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,171.12 : 118,726.94 = 25,850.64 : x
  2. Step 2: Convert to fraction form
    79,171.12/118,726.94 = 25,850.64/x
  3. Step 3: Cross multiply
    79,171.12x = 118,726.94 × 25,850.64
  4. Step 4: Simplify right side
    79,171.12x = 3,069,167,384.24
  5. Step 5: Solve for x
    x = 3,069,167,384.24/79,171.12
  6. Step 6: Final answer
    x = 38,766.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.