Home / 165,248.17-228,043.92-89,796.67

Finding the Fourth Proportional to 165,248.17, 228,043.92 and 89,796.67

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Solution

The fourth proportional to 165,248.17, 228,043.92 and 89,796.67 is: 123,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,248.17 : 228,043.92 = 89,796.67 : x
  2. Step 2: Convert to fraction form
    165,248.17/228,043.92 = 89,796.67/x
  3. Step 3: Cross multiply
    165,248.17x = 228,043.92 × 89,796.67
  4. Step 4: Simplify right side
    165,248.17x = 20,477,584,629.75
  5. Step 5: Solve for x
    x = 20,477,584,629.75/165,248.17
  6. Step 6: Final answer
    x = 123,920.19

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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.