Home / 165,533.28-228,431.16-93,919.92

Finding the Fourth Proportional to 165,533.28, 228,431.16 and 93,919.92

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Solution

The fourth proportional to 165,533.28, 228,431.16 and 93,919.92 is: 129,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,533.28 : 228,431.16 = 93,919.92 : x
  2. Step 2: Convert to fraction form
    165,533.28/228,431.16 = 93,919.92/x
  3. Step 3: Cross multiply
    165,533.28x = 228,431.16 × 93,919.92
  4. Step 4: Simplify right side
    165,533.28x = 21,454,236,272.71
  5. Step 5: Solve for x
    x = 21,454,236,272.71/165,533.28
  6. Step 6: Final answer
    x = 129,606.79

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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.