Home / 165,574.08-228,491.28-90,120.96

Finding the Fourth Proportional to 165,574.08, 228,491.28 and 90,120.96

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Solution

The fourth proportional to 165,574.08, 228,491.28 and 90,120.96 is: 124,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,574.08 : 228,491.28 = 90,120.96 : x
  2. Step 2: Convert to fraction form
    165,574.08/228,491.28 = 90,120.96/x
  3. Step 3: Cross multiply
    165,574.08x = 228,491.28 × 90,120.96
  4. Step 4: Simplify right side
    165,574.08x = 20,591,853,505.23
  5. Step 5: Solve for x
    x = 20,591,853,505.23/165,574.08
  6. Step 6: Final answer
    x = 124,366.41

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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.