Home / 89,446.19-134,174.37-25,399.32

Finding the Fourth Proportional to 89,446.19, 134,174.37 and 25,399.32

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Solution

The fourth proportional to 89,446.19, 134,174.37 and 25,399.32 is: 38,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,446.19 : 134,174.37 = 25,399.32 : x
  2. Step 2: Convert to fraction form
    89,446.19/134,174.37 = 25,399.32/x
  3. Step 3: Cross multiply
    89,446.19x = 134,174.37 × 25,399.32
  4. Step 4: Simplify right side
    89,446.19x = 3,407,938,106.25
  5. Step 5: Solve for x
    x = 3,407,938,106.25/89,446.19
  6. Step 6: Final answer
    x = 38,100.43

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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.