Home / 119,618.14-165,055-67,927.18

Finding the Fourth Proportional to 119,618.14, 165,055 and 67,927.18

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Solution

The fourth proportional to 119,618.14, 165,055 and 67,927.18 is: 93,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,618.14 : 165,055 = 67,927.18 : x
  2. Step 2: Convert to fraction form
    119,618.14/165,055 = 67,927.18/x
  3. Step 3: Cross multiply
    119,618.14x = 165,055 × 67,927.18
  4. Step 4: Simplify right side
    119,618.14x = 11,211,720,694.90
  5. Step 5: Solve for x
    x = 11,211,720,694.90/119,618.14
  6. Step 6: Final answer
    x = 93,729.27

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1.5x scale

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.