Home / 165,967.79-229,035.70-90,516.29

Finding the Fourth Proportional to 165,967.79, 229,035.70 and 90,516.29

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Solution

The fourth proportional to 165,967.79, 229,035.70 and 90,516.29 is: 124,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,967.79 : 229,035.70 = 90,516.29 : x
  2. Step 2: Convert to fraction form
    165,967.79/229,035.70 = 90,516.29/x
  3. Step 3: Cross multiply
    165,967.79x = 229,035.70 × 90,516.29
  4. Step 4: Simplify right side
    165,967.79x = 20,731,460,809.52
  5. Step 5: Solve for x
    x = 20,731,460,809.52/165,967.79
  6. Step 6: Final answer
    x = 124,912.56

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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.