Home / 165,684.32-228,650.83-94,071

Finding the Fourth Proportional to 165,684.32, 228,650.83 and 94,071

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Solution

The fourth proportional to 165,684.32, 228,650.83 and 94,071 is: 129,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,684.32 : 228,650.83 = 94,071 : x
  2. Step 2: Convert to fraction form
    165,684.32/228,650.83 = 94,071/x
  3. Step 3: Cross multiply
    165,684.32x = 228,650.83 × 94,071
  4. Step 4: Simplify right side
    165,684.32x = 21,509,411,993.75
  5. Step 5: Solve for x
    x = 21,509,411,993.75/165,684.32
  6. Step 6: Final answer
    x = 129,821.66

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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.