Home / 286,076.46-429,144.66-106,211.10

Finding the Fourth Proportional to 286,076.46, 429,144.66 and 106,211.10

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Solution

The fourth proportional to 286,076.46, 429,144.66 and 106,211.10 is: 159,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,076.46 : 429,144.66 = 106,211.10 : x
  2. Step 2: Convert to fraction form
    286,076.46/429,144.66 = 106,211.10/x
  3. Step 3: Cross multiply
    286,076.46x = 429,144.66 × 106,211.10
  4. Step 4: Simplify right side
    286,076.46x = 45,579,926,397.73
  5. Step 5: Solve for x
    x = 45,579,926,397.73/286,076.46
  6. Step 6: Final answer
    x = 159,327.78

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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.