Home / 166,688.98-250,046.24-71,921.42

Finding the Fourth Proportional to 166,688.98, 250,046.24 and 71,921.42

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Solution

The fourth proportional to 166,688.98, 250,046.24 and 71,921.42 is: 107,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,688.98 : 250,046.24 = 71,921.42 : x
  2. Step 2: Convert to fraction form
    166,688.98/250,046.24 = 71,921.42/x
  3. Step 3: Cross multiply
    166,688.98x = 250,046.24 × 71,921.42
  4. Step 4: Simplify right side
    166,688.98x = 17,983,680,646.46
  5. Step 5: Solve for x
    x = 17,983,680,646.46/166,688.98
  6. Step 6: Final answer
    x = 107,887.64

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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.