Home / 166,153.78-229,199.89-108,885.48

Finding the Fourth Proportional to 166,153.78, 229,199.89 and 108,885.48

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Solution

The fourth proportional to 166,153.78, 229,199.89 and 108,885.48 is: 150,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,153.78 : 229,199.89 = 108,885.48 : x
  2. Step 2: Convert to fraction form
    166,153.78/229,199.89 = 108,885.48/x
  3. Step 3: Cross multiply
    166,153.78x = 229,199.89 × 108,885.48
  4. Step 4: Simplify right side
    166,153.78x = 24,956,539,586.48
  5. Step 5: Solve for x
    x = 24,956,539,586.48/166,153.78
  6. Step 6: Final answer
    x = 150,201.45

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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.