Home / 119,979.73-165,565.21-68,984.36

Finding the Fourth Proportional to 119,979.73, 165,565.21 and 68,984.36

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Solution

The fourth proportional to 119,979.73, 165,565.21 and 68,984.36 is: 95,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,979.73 : 165,565.21 = 68,984.36 : x
  2. Step 2: Convert to fraction form
    119,979.73/165,565.21 = 68,984.36/x
  3. Step 3: Cross multiply
    119,979.73x = 165,565.21 × 68,984.36
  4. Step 4: Simplify right side
    119,979.73x = 11,421,410,050.12
  5. Step 5: Solve for x
    x = 11,421,410,050.12/119,979.73
  6. Step 6: Final answer
    x = 95,194.50

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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.