Home / 166,988.72-250,331.27-86,932.64

Finding the Fourth Proportional to 166,988.72, 250,331.27 and 86,932.64

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Solution

The fourth proportional to 166,988.72, 250,331.27 and 86,932.64 is: 130,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,988.72 : 250,331.27 = 86,932.64 : x
  2. Step 2: Convert to fraction form
    166,988.72/250,331.27 = 86,932.64/x
  3. Step 3: Cross multiply
    166,988.72x = 250,331.27 × 86,932.64
  4. Step 4: Simplify right side
    166,988.72x = 21,761,958,366.82
  5. Step 5: Solve for x
    x = 21,761,958,366.82/166,988.72
  6. Step 6: Final answer
    x = 130,319.93

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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.