Home / 163,419.12-225,483.40-95,405.28

Finding the Fourth Proportional to 163,419.12, 225,483.40 and 95,405.28

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Solution

The fourth proportional to 163,419.12, 225,483.40 and 95,405.28 is: 131,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,419.12 : 225,483.40 = 95,405.28 : x
  2. Step 2: Convert to fraction form
    163,419.12/225,483.40 = 95,405.28/x
  3. Step 3: Cross multiply
    163,419.12x = 225,483.40 × 95,405.28
  4. Step 4: Simplify right side
    163,419.12x = 21,512,306,912.35
  5. Step 5: Solve for x
    x = 21,512,306,912.35/163,419.12
  6. Step 6: Final answer
    x = 131,638.86

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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.