Home / 151,128.80-226,705.89-45,948.68

Finding the Fourth Proportional to 151,128.80, 226,705.89 and 45,948.68

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Solution

The fourth proportional to 151,128.80, 226,705.89 and 45,948.68 is: 68,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,128.80 : 226,705.89 = 45,948.68 : x
  2. Step 2: Convert to fraction form
    151,128.80/226,705.89 = 45,948.68/x
  3. Step 3: Cross multiply
    151,128.80x = 226,705.89 × 45,948.68
  4. Step 4: Simplify right side
    151,128.80x = 10,416,836,393.73
  5. Step 5: Solve for x
    x = 10,416,836,393.73/151,128.80
  6. Step 6: Final answer
    x = 68,926.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.