Home / 166,572.61-229,869.51-90,091.79

Finding the Fourth Proportional to 166,572.61, 229,869.51 and 90,091.79

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Solution

The fourth proportional to 166,572.61, 229,869.51 and 90,091.79 is: 124,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,572.61 : 229,869.51 = 90,091.79 : x
  2. Step 2: Convert to fraction form
    166,572.61/229,869.51 = 90,091.79/x
  3. Step 3: Cross multiply
    166,572.61x = 229,869.51 × 90,091.79
  4. Step 4: Simplify right side
    166,572.61x = 20,709,354,997.14
  5. Step 5: Solve for x
    x = 20,709,354,997.14/166,572.61
  6. Step 6: Final answer
    x = 124,326.29

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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.