Home / 104,936.40-157,346.87-71,694

Finding the Fourth Proportional to 104,936.40, 157,346.87 and 71,694

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Solution

The fourth proportional to 104,936.40, 157,346.87 and 71,694 is: 107,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,936.40 : 157,346.87 = 71,694 : x
  2. Step 2: Convert to fraction form
    104,936.40/157,346.87 = 71,694/x
  3. Step 3: Cross multiply
    104,936.40x = 157,346.87 × 71,694
  4. Step 4: Simplify right side
    104,936.40x = 11,280,826,139.31
  5. Step 5: Solve for x
    x = 11,280,826,139.31/104,936.40
  6. Step 6: Final answer
    x = 107,501.55

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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.