Home / 165,287.56-228,095.58-89,836.60

Finding the Fourth Proportional to 165,287.56, 228,095.58 and 89,836.60

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Solution

The fourth proportional to 165,287.56, 228,095.58 and 89,836.60 is: 123,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,287.56 : 228,095.58 = 89,836.60 : x
  2. Step 2: Convert to fraction form
    165,287.56/228,095.58 = 89,836.60/x
  3. Step 3: Cross multiply
    165,287.56x = 228,095.58 × 89,836.60
  4. Step 4: Simplify right side
    165,287.56x = 20,491,331,382.23
  5. Step 5: Solve for x
    x = 20,491,331,382.23/165,287.56
  6. Step 6: Final answer
    x = 123,973.83

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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.