Home / 79,190.30-118,760.63-25,870.13

Finding the Fourth Proportional to 79,190.30, 118,760.63 and 25,870.13

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Solution

The fourth proportional to 79,190.30, 118,760.63 and 25,870.13 is: 38,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.30 : 118,760.63 = 25,870.13 : x
  2. Step 2: Convert to fraction form
    79,190.30/118,760.63 = 25,870.13/x
  3. Step 3: Cross multiply
    79,190.30x = 118,760.63 × 25,870.13
  4. Step 4: Simplify right side
    79,190.30x = 3,072,352,936.98
  5. Step 5: Solve for x
    x = 3,072,352,936.98/79,190.30
  6. Step 6: Final answer
    x = 38,797.09

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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.