Home / 166,729.90-250,134.64-54,410.32

Finding the Fourth Proportional to 166,729.90, 250,134.64 and 54,410.32

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Solution

The fourth proportional to 166,729.90, 250,134.64 and 54,410.32 is: 81,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,729.90 : 250,134.64 = 54,410.32 : x
  2. Step 2: Convert to fraction form
    166,729.90/250,134.64 = 54,410.32/x
  3. Step 3: Cross multiply
    166,729.90x = 250,134.64 × 54,410.32
  4. Step 4: Simplify right side
    166,729.90x = 13,609,905,805.48
  5. Step 5: Solve for x
    x = 13,609,905,805.48/166,729.90
  6. Step 6: Final answer
    x = 81,628.46

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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.