Home / 245,078.54-338,207.56-136,182.41

Finding the Fourth Proportional to 245,078.54, 338,207.56 and 136,182.41

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Solution

The fourth proportional to 245,078.54, 338,207.56 and 136,182.41 is: 187,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,078.54 : 338,207.56 = 136,182.41 : x
  2. Step 2: Convert to fraction form
    245,078.54/338,207.56 = 136,182.41/x
  3. Step 3: Cross multiply
    245,078.54x = 338,207.56 × 136,182.41
  4. Step 4: Simplify right side
    245,078.54x = 46,057,918,569.53
  5. Step 5: Solve for x
    x = 46,057,918,569.53/245,078.54
  6. Step 6: Final answer
    x = 187,931.26

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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.