Home / 165,135.30-227,889.36-89,683.80

Finding the Fourth Proportional to 165,135.30, 227,889.36 and 89,683.80

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Solution

The fourth proportional to 165,135.30, 227,889.36 and 89,683.80 is: 123,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,135.30 : 227,889.36 = 89,683.80 : x
  2. Step 2: Convert to fraction form
    165,135.30/227,889.36 = 89,683.80/x
  3. Step 3: Cross multiply
    165,135.30x = 227,889.36 × 89,683.80
  4. Step 4: Simplify right side
    165,135.30x = 20,437,983,784.37
  5. Step 5: Solve for x
    x = 20,437,983,784.37/165,135.30
  6. Step 6: Final answer
    x = 123,765.08

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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.