Home / 245,528.14-338,801.42-138,095.88

Finding the Fourth Proportional to 245,528.14, 338,801.42 and 138,095.88

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Solution

The fourth proportional to 245,528.14, 338,801.42 and 138,095.88 is: 190,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,528.14 : 338,801.42 = 138,095.88 : x
  2. Step 2: Convert to fraction form
    245,528.14/338,801.42 = 138,095.88/x
  3. Step 3: Cross multiply
    245,528.14x = 338,801.42 × 138,095.88
  4. Step 4: Simplify right side
    245,528.14x = 46,787,080,240.15
  5. Step 5: Solve for x
    x = 46,787,080,240.15/245,528.14
  6. Step 6: Final answer
    x = 190,556.90

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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.