Home / 165,268.23-228,063.74-89,815.11

Finding the Fourth Proportional to 165,268.23, 228,063.74 and 89,815.11

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Solution

The fourth proportional to 165,268.23, 228,063.74 and 89,815.11 is: 123,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,268.23 : 228,063.74 = 89,815.11 : x
  2. Step 2: Convert to fraction form
    165,268.23/228,063.74 = 89,815.11/x
  3. Step 3: Cross multiply
    165,268.23x = 228,063.74 × 89,815.11
  4. Step 4: Simplify right side
    165,268.23x = 20,483,569,446.04
  5. Step 5: Solve for x
    x = 20,483,569,446.04/165,268.23
  6. Step 6: Final answer
    x = 123,941.36

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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.