Home / 166,723.28-250,009.28-71,908.66

Finding the Fourth Proportional to 166,723.28, 250,009.28 and 71,908.66

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Solution

The fourth proportional to 166,723.28, 250,009.28 and 71,908.66 is: 107,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,723.28 : 250,009.28 = 71,908.66 : x
  2. Step 2: Convert to fraction form
    166,723.28/250,009.28 = 71,908.66/x
  3. Step 3: Cross multiply
    166,723.28x = 250,009.28 × 71,908.66
  4. Step 4: Simplify right side
    166,723.28x = 17,977,830,702.78
  5. Step 5: Solve for x
    x = 17,977,830,702.78/166,723.28
  6. Step 6: Final answer
    x = 107,830.36

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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.