Home / 165,243.85-228,035.91-93,637.56

Finding the Fourth Proportional to 165,243.85, 228,035.91 and 93,637.56

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Solution

The fourth proportional to 165,243.85, 228,035.91 and 93,637.56 is: 129,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,243.85 : 228,035.91 = 93,637.56 : x
  2. Step 2: Convert to fraction form
    165,243.85/228,035.91 = 93,637.56/x
  3. Step 3: Cross multiply
    165,243.85x = 228,035.91 × 93,637.56
  4. Step 4: Simplify right side
    165,243.85x = 21,352,725,064.60
  5. Step 5: Solve for x
    x = 21,352,725,064.60/165,243.85
  6. Step 6: Final answer
    x = 129,219.48

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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.