Home / 92,109.19-138,163.78-25,549.32

Finding the Fourth Proportional to 92,109.19, 138,163.78 and 25,549.32

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Solution

The fourth proportional to 92,109.19, 138,163.78 and 25,549.32 is: 38,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,109.19 : 138,163.78 = 25,549.32 : x
  2. Step 2: Convert to fraction form
    92,109.19/138,163.78 = 25,549.32/x
  3. Step 3: Cross multiply
    92,109.19x = 138,163.78 × 25,549.32
  4. Step 4: Simplify right side
    92,109.19x = 3,529,991,033.97
  5. Step 5: Solve for x
    x = 3,529,991,033.97/92,109.19
  6. Step 6: Final answer
    x = 38,323.98

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1.5x scale

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.