Home / 163,581.75-225,655.34-109,774.26

Finding the Fourth Proportional to 163,581.75, 225,655.34 and 109,774.26

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Solution

The fourth proportional to 163,581.75, 225,655.34 and 109,774.26 is: 151,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,581.75 : 225,655.34 = 109,774.26 : x
  2. Step 2: Convert to fraction form
    163,581.75/225,655.34 = 109,774.26/x
  3. Step 3: Cross multiply
    163,581.75x = 225,655.34 × 109,774.26
  4. Step 4: Simplify right side
    163,581.75x = 24,771,147,414.68
  5. Step 5: Solve for x
    x = 24,771,147,414.68/163,581.75
  6. Step 6: Final answer
    x = 151,429.77

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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.