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Finding the Fourth Proportional to 165,334.76, 228,163.58 and 89,884.88

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Solution

The fourth proportional to 165,334.76, 228,163.58 and 89,884.88 is: 124,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,334.76 : 228,163.58 = 89,884.88 : x
  2. Step 2: Convert to fraction form
    165,334.76/228,163.58 = 89,884.88/x
  3. Step 3: Cross multiply
    165,334.76x = 228,163.58 × 89,884.88
  4. Step 4: Simplify right side
    165,334.76x = 20,508,456,008.67
  5. Step 5: Solve for x
    x = 20,508,456,008.67/165,334.76
  6. Step 6: Final answer
    x = 124,042.01

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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.