Home / 165,570.52-228,487.28-90,119.56

Finding the Fourth Proportional to 165,570.52, 228,487.28 and 90,119.56

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Solution

The fourth proportional to 165,570.52, 228,487.28 and 90,119.56 is: 124,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,570.52 : 228,487.28 = 90,119.56 : x
  2. Step 2: Convert to fraction form
    165,570.52/228,487.28 = 90,119.56/x
  3. Step 3: Cross multiply
    165,570.52x = 228,487.28 × 90,119.56
  4. Step 4: Simplify right side
    165,570.52x = 20,591,173,139.20
  5. Step 5: Solve for x
    x = 20,591,173,139.20/165,570.52
  6. Step 6: Final answer
    x = 124,364.97

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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.