Home / 98,257.20-135,571.14-57,398.10

Finding the Fourth Proportional to 98,257.20, 135,571.14 and 57,398.10

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Solution

The fourth proportional to 98,257.20, 135,571.14 and 57,398.10 is: 79,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.20 : 135,571.14 = 57,398.10 : x
  2. Step 2: Convert to fraction form
    98,257.20/135,571.14 = 57,398.10/x
  3. Step 3: Cross multiply
    98,257.20x = 135,571.14 × 57,398.10
  4. Step 4: Simplify right side
    98,257.20x = 7,781,525,850.83
  5. Step 5: Solve for x
    x = 7,781,525,850.83/98,257.20
  6. Step 6: Final answer
    x = 79,195.48

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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.