Home / 212,789.39-293,647.59-115,991.48

Finding the Fourth Proportional to 212,789.39, 293,647.59 and 115,991.48

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Solution

The fourth proportional to 212,789.39, 293,647.59 and 115,991.48 is: 160,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,789.39 : 293,647.59 = 115,991.48 : x
  2. Step 2: Convert to fraction form
    212,789.39/293,647.59 = 115,991.48/x
  3. Step 3: Cross multiply
    212,789.39x = 293,647.59 × 115,991.48
  4. Step 4: Simplify right side
    212,789.39x = 34,060,618,562.53
  5. Step 5: Solve for x
    x = 34,060,618,562.53/212,789.39
  6. Step 6: Final answer
    x = 160,067.28

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1.5x scale

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.