Home / 219,579.39-303,020.19-118,977.39

Finding the Fourth Proportional to 219,579.39, 303,020.19 and 118,977.39

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Solution

The fourth proportional to 219,579.39, 303,020.19 and 118,977.39 is: 164,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,579.39 : 303,020.19 = 118,977.39 : x
  2. Step 2: Convert to fraction form
    219,579.39/303,020.19 = 118,977.39/x
  3. Step 3: Cross multiply
    219,579.39x = 303,020.19 × 118,977.39
  4. Step 4: Simplify right side
    219,579.39x = 36,052,551,323.50
  5. Step 5: Solve for x
    x = 36,052,551,323.50/219,579.39
  6. Step 6: Final answer
    x = 164,189.14

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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.