Home / 165,151.26-227,907.48-89,699.76

Finding the Fourth Proportional to 165,151.26, 227,907.48 and 89,699.76

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Solution

The fourth proportional to 165,151.26, 227,907.48 and 89,699.76 is: 123,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,151.26 : 227,907.48 = 89,699.76 : x
  2. Step 2: Convert to fraction form
    165,151.26/227,907.48 = 89,699.76/x
  3. Step 3: Cross multiply
    165,151.26x = 227,907.48 × 89,699.76
  4. Step 4: Simplify right side
    165,151.26x = 20,443,246,258.20
  5. Step 5: Solve for x
    x = 20,443,246,258.20/165,151.26
  6. Step 6: Final answer
    x = 123,784.99

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1.5x scale

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.