Home / 165,814.56-228,823.20-90,362.88

Finding the Fourth Proportional to 165,814.56, 228,823.20 and 90,362.88

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Solution

The fourth proportional to 165,814.56, 228,823.20 and 90,362.88 is: 124,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,814.56 : 228,823.20 = 90,362.88 : x
  2. Step 2: Convert to fraction form
    165,814.56/228,823.20 = 90,362.88/x
  3. Step 3: Cross multiply
    165,814.56x = 228,823.20 × 90,362.88
  4. Step 4: Simplify right side
    165,814.56x = 20,677,123,362.82
  5. Step 5: Solve for x
    x = 20,677,123,362.82/165,814.56
  6. Step 6: Final answer
    x = 124,700.29

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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.