Home / 220,846.53-304,761.57-122,729.43

Finding the Fourth Proportional to 220,846.53, 304,761.57 and 122,729.43

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Solution

The fourth proportional to 220,846.53, 304,761.57 and 122,729.43 is: 169,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,846.53 : 304,761.57 = 122,729.43 : x
  2. Step 2: Convert to fraction form
    220,846.53/304,761.57 = 122,729.43/x
  3. Step 3: Cross multiply
    220,846.53x = 304,761.57 × 122,729.43
  4. Step 4: Simplify right side
    220,846.53x = 37,403,213,772.01
  5. Step 5: Solve for x
    x = 37,403,213,772.01/220,846.53
  6. Step 6: Final answer
    x = 169,362.92

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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.