Home / 79,190.55-118,761.01-25,870.38

Finding the Fourth Proportional to 79,190.55, 118,761.01 and 25,870.38

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Solution

The fourth proportional to 79,190.55, 118,761.01 and 25,870.38 is: 38,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.55 : 118,761.01 = 25,870.38 : x
  2. Step 2: Convert to fraction form
    79,190.55/118,761.01 = 25,870.38/x
  3. Step 3: Cross multiply
    79,190.55x = 118,761.01 × 25,870.38
  4. Step 4: Simplify right side
    79,190.55x = 3,072,392,457.88
  5. Step 5: Solve for x
    x = 3,072,392,457.88/79,190.55
  6. Step 6: Final answer
    x = 38,797.46

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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.