Home / 165,381.73-228,220.46-89,930.23

Finding the Fourth Proportional to 165,381.73, 228,220.46 and 89,930.23

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Solution

The fourth proportional to 165,381.73, 228,220.46 and 89,930.23 is: 124,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,381.73 : 228,220.46 = 89,930.23 : x
  2. Step 2: Convert to fraction form
    165,381.73/228,220.46 = 89,930.23/x
  3. Step 3: Cross multiply
    165,381.73x = 228,220.46 × 89,930.23
  4. Step 4: Simplify right side
    165,381.73x = 20,523,918,458.51
  5. Step 5: Solve for x
    x = 20,523,918,458.51/165,381.73
  6. Step 6: Final answer
    x = 124,100.28

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1.5x scale

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.