Home / 119,638.96-179,459.84-51,241.28

Finding the Fourth Proportional to 119,638.96, 179,459.84 and 51,241.28

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Solution

The fourth proportional to 119,638.96, 179,459.84 and 51,241.28 is: 76,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,638.96 : 179,459.84 = 51,241.28 : x
  2. Step 2: Convert to fraction form
    119,638.96/179,459.84 = 51,241.28/x
  3. Step 3: Cross multiply
    119,638.96x = 179,459.84 × 51,241.28
  4. Step 4: Simplify right side
    119,638.96x = 9,195,751,910.20
  5. Step 5: Solve for x
    x = 9,195,751,910.20/119,638.96
  6. Step 6: Final answer
    x = 76,862.52

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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.