Home / 165,348.64-228,180-89,897.14

Finding the Fourth Proportional to 165,348.64, 228,180 and 89,897.14

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Solution

The fourth proportional to 165,348.64, 228,180 and 89,897.14 is: 124,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,348.64 : 228,180 = 89,897.14 : x
  2. Step 2: Convert to fraction form
    165,348.64/228,180 = 89,897.14/x
  3. Step 3: Cross multiply
    165,348.64x = 228,180 × 89,897.14
  4. Step 4: Simplify right side
    165,348.64x = 20,512,729,405.20
  5. Step 5: Solve for x
    x = 20,512,729,405.20/165,348.64
  6. Step 6: Final answer
    x = 124,057.44

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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.