Home / 245,613.35-338,945.01-138,184.13

Finding the Fourth Proportional to 245,613.35, 338,945.01 and 138,184.13

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Solution

The fourth proportional to 245,613.35, 338,945.01 and 138,184.13 is: 190,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,613.35 : 338,945.01 = 138,184.13 : x
  2. Step 2: Convert to fraction form
    245,613.35/338,945.01 = 138,184.13/x
  3. Step 3: Cross multiply
    245,613.35x = 338,945.01 × 138,184.13
  4. Step 4: Simplify right side
    245,613.35x = 46,836,819,629.97
  5. Step 5: Solve for x
    x = 46,836,819,629.97/245,613.35
  6. Step 6: Final answer
    x = 190,693.30

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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.