Home / 165,012.60-227,717.64-89,561.28

Finding the Fourth Proportional to 165,012.60, 227,717.64 and 89,561.28

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Solution

The fourth proportional to 165,012.60, 227,717.64 and 89,561.28 is: 123,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,012.60 : 227,717.64 = 89,561.28 : x
  2. Step 2: Convert to fraction form
    165,012.60/227,717.64 = 89,561.28/x
  3. Step 3: Cross multiply
    165,012.60x = 227,717.64 × 89,561.28
  4. Step 4: Simplify right side
    165,012.60x = 20,394,683,316.98
  5. Step 5: Solve for x
    x = 20,394,683,316.98/165,012.60
  6. Step 6: Final answer
    x = 123,594.70

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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.