Home / 212,729.25-293,562.43-115,933.88

Finding the Fourth Proportional to 212,729.25, 293,562.43 and 115,933.88

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Solution

The fourth proportional to 212,729.25, 293,562.43 and 115,933.88 is: 159,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,729.25 : 293,562.43 = 115,933.88 : x
  2. Step 2: Convert to fraction form
    212,729.25/293,562.43 = 115,933.88/x
  3. Step 3: Cross multiply
    212,729.25x = 293,562.43 × 115,933.88
  4. Step 4: Simplify right side
    212,729.25x = 34,033,831,976.20
  5. Step 5: Solve for x
    x = 34,033,831,976.20/212,729.25
  6. Step 6: Final answer
    x = 159,986.61

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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.