Home / 115,584.92-159,462.13-72,539.29

Finding the Fourth Proportional to 115,584.92, 159,462.13 and 72,539.29

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Solution

The fourth proportional to 115,584.92, 159,462.13 and 72,539.29 is: 100,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,584.92 : 159,462.13 = 72,539.29 : x
  2. Step 2: Convert to fraction form
    115,584.92/159,462.13 = 72,539.29/x
  3. Step 3: Cross multiply
    115,584.92x = 159,462.13 × 72,539.29
  4. Step 4: Simplify right side
    115,584.92x = 11,567,269,692.09
  5. Step 5: Solve for x
    x = 11,567,269,692.09/115,584.92
  6. Step 6: Final answer
    x = 100,075.94

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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.