Home / 219,581.39-303,022.95-118,979.39

Finding the Fourth Proportional to 219,581.39, 303,022.95 and 118,979.39

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Solution

The fourth proportional to 219,581.39, 303,022.95 and 118,979.39 is: 164,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,581.39 : 303,022.95 = 118,979.39 : x
  2. Step 2: Convert to fraction form
    219,581.39/303,022.95 = 118,979.39/x
  3. Step 3: Cross multiply
    219,581.39x = 303,022.95 × 118,979.39
  4. Step 4: Simplify right side
    219,581.39x = 36,053,485,747.00
  5. Step 5: Solve for x
    x = 36,053,485,747.00/219,581.39
  6. Step 6: Final answer
    x = 164,191.90

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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.