Home / 119,646.09-165,115.38-68,668.13

Finding the Fourth Proportional to 119,646.09, 165,115.38 and 68,668.13

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Solution

The fourth proportional to 119,646.09, 165,115.38 and 68,668.13 is: 94,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,646.09 : 165,115.38 = 68,668.13 : x
  2. Step 2: Convert to fraction form
    119,646.09/165,115.38 = 68,668.13/x
  3. Step 3: Cross multiply
    119,646.09x = 165,115.38 × 68,668.13
  4. Step 4: Simplify right side
    119,646.09x = 11,338,163,553.26
  5. Step 5: Solve for x
    x = 11,338,163,553.26/119,646.09
  6. Step 6: Final answer
    x = 94,764.18

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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.