Home / 245,179.98-338,346.06-136,281.47

Finding the Fourth Proportional to 245,179.98, 338,346.06 and 136,281.47

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Solution

The fourth proportional to 245,179.98, 338,346.06 and 136,281.47 is: 188,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,179.98 : 338,346.06 = 136,281.47 : x
  2. Step 2: Convert to fraction form
    245,179.98/338,346.06 = 136,281.47/x
  3. Step 3: Cross multiply
    245,179.98x = 338,346.06 × 136,281.47
  4. Step 4: Simplify right side
    245,179.98x = 46,110,296,733.78
  5. Step 5: Solve for x
    x = 46,110,296,733.78/245,179.98
  6. Step 6: Final answer
    x = 188,067.14

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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.