Home / 166,623.07-229,938.87-90,141.92

Finding the Fourth Proportional to 166,623.07, 229,938.87 and 90,141.92

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Solution

The fourth proportional to 166,623.07, 229,938.87 and 90,141.92 is: 124,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,623.07 : 229,938.87 = 90,141.92 : x
  2. Step 2: Convert to fraction form
    166,623.07/229,938.87 = 90,141.92/x
  3. Step 3: Cross multiply
    166,623.07x = 229,938.87 × 90,141.92
  4. Step 4: Simplify right side
    166,623.07x = 20,727,131,799.28
  5. Step 5: Solve for x
    x = 20,727,131,799.28/166,623.07
  6. Step 6: Final answer
    x = 124,395.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.