Home / 165,756.84-228,744.60-90,305.34

Finding the Fourth Proportional to 165,756.84, 228,744.60 and 90,305.34

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Solution

The fourth proportional to 165,756.84, 228,744.60 and 90,305.34 is: 124,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,756.84 : 228,744.60 = 90,305.34 : x
  2. Step 2: Convert to fraction form
    165,756.84/228,744.60 = 90,305.34/x
  3. Step 3: Cross multiply
    165,756.84x = 228,744.60 × 90,305.34
  4. Step 4: Simplify right side
    165,756.84x = 20,656,858,876.16
  5. Step 5: Solve for x
    x = 20,656,858,876.16/165,756.84
  6. Step 6: Final answer
    x = 124,621.46

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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.