Home / 220,848.53-304,764.33-122,731.43

Finding the Fourth Proportional to 220,848.53, 304,764.33 and 122,731.43

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Solution

The fourth proportional to 220,848.53, 304,764.33 and 122,731.43 is: 169,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,848.53 : 304,764.33 = 122,731.43 : x
  2. Step 2: Convert to fraction form
    220,848.53/304,764.33 = 122,731.43/x
  3. Step 3: Cross multiply
    220,848.53x = 304,764.33 × 122,731.43
  4. Step 4: Simplify right side
    220,848.53x = 37,404,162,033.89
  5. Step 5: Solve for x
    x = 37,404,162,033.89/220,848.53
  6. Step 6: Final answer
    x = 169,365.68

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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.