Home / 165,610.56-228,542.64-90,159.36

Finding the Fourth Proportional to 165,610.56, 228,542.64 and 90,159.36

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Solution

The fourth proportional to 165,610.56, 228,542.64 and 90,159.36 is: 124,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,610.56 : 228,542.64 = 90,159.36 : x
  2. Step 2: Convert to fraction form
    165,610.56/228,542.64 = 90,159.36/x
  3. Step 3: Cross multiply
    165,610.56x = 228,542.64 × 90,159.36
  4. Step 4: Simplify right side
    165,610.56x = 20,605,258,155.11
  5. Step 5: Solve for x
    x = 20,605,258,155.11/165,610.56
  6. Step 6: Final answer
    x = 124,419.95

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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.