Home / 165,328.50-228,152.79-89,876.46

Finding the Fourth Proportional to 165,328.50, 228,152.79 and 89,876.46

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Solution

The fourth proportional to 165,328.50, 228,152.79 and 89,876.46 is: 124,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,328.50 : 228,152.79 = 89,876.46 : x
  2. Step 2: Convert to fraction form
    165,328.50/228,152.79 = 89,876.46/x
  3. Step 3: Cross multiply
    165,328.50x = 228,152.79 × 89,876.46
  4. Step 4: Simplify right side
    165,328.50x = 20,505,565,104.32
  5. Step 5: Solve for x
    x = 20,505,565,104.32/165,328.50
  6. Step 6: Final answer
    x = 124,029.22

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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.