Home / 165,408.86-228,264.82-89,957.36

Finding the Fourth Proportional to 165,408.86, 228,264.82 and 89,957.36

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Solution

The fourth proportional to 165,408.86, 228,264.82 and 89,957.36 is: 124,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,408.86 : 228,264.82 = 89,957.36 : x
  2. Step 2: Convert to fraction form
    165,408.86/228,264.82 = 89,957.36/x
  3. Step 3: Cross multiply
    165,408.86x = 228,264.82 × 89,957.36
  4. Step 4: Simplify right side
    165,408.86x = 20,534,100,588.08
  5. Step 5: Solve for x
    x = 20,534,100,588.08/165,408.86
  6. Step 6: Final answer
    x = 124,141.48

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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.