Home / 165,721.37-228,697.06-94,102.90

Finding the Fourth Proportional to 165,721.37, 228,697.06 and 94,102.90

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Solution

The fourth proportional to 165,721.37, 228,697.06 and 94,102.90 is: 129,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,721.37 : 228,697.06 = 94,102.90 : x
  2. Step 2: Convert to fraction form
    165,721.37/228,697.06 = 94,102.90/x
  3. Step 3: Cross multiply
    165,721.37x = 228,697.06 × 94,102.90
  4. Step 4: Simplify right side
    165,721.37x = 21,521,056,567.47
  5. Step 5: Solve for x
    x = 21,521,056,567.47/165,721.37
  6. Step 6: Final answer
    x = 129,862.89

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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.