Home / 166,531.15-249,799.11-54,211.96

Finding the Fourth Proportional to 166,531.15, 249,799.11 and 54,211.96

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Solution

The fourth proportional to 166,531.15, 249,799.11 and 54,211.96 is: 81,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,531.15 : 249,799.11 = 54,211.96 : x
  2. Step 2: Convert to fraction form
    166,531.15/249,799.11 = 54,211.96/x
  3. Step 3: Cross multiply
    166,531.15x = 249,799.11 × 54,211.96
  4. Step 4: Simplify right side
    166,531.15x = 13,542,099,359.36
  5. Step 5: Solve for x
    x = 13,542,099,359.36/166,531.15
  6. Step 6: Final answer
    x = 81,318.72

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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.