Home / 212,789.88-293,636.70-117,297.40

Finding the Fourth Proportional to 212,789.88, 293,636.70 and 117,297.40

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Solution

The fourth proportional to 212,789.88, 293,636.70 and 117,297.40 is: 161,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,789.88 : 293,636.70 = 117,297.40 : x
  2. Step 2: Convert to fraction form
    212,789.88/293,636.70 = 117,297.40/x
  3. Step 3: Cross multiply
    212,789.88x = 293,636.70 × 117,297.40
  4. Step 4: Simplify right side
    212,789.88x = 34,442,821,454.58
  5. Step 5: Solve for x
    x = 34,442,821,454.58/212,789.88
  6. Step 6: Final answer
    x = 161,863.06

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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.