Home / 165,913.45-228,960.79-90,461.95

Finding the Fourth Proportional to 165,913.45, 228,960.79 and 90,461.95

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Solution

The fourth proportional to 165,913.45, 228,960.79 and 90,461.95 is: 124,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,913.45 : 228,960.79 = 90,461.95 : x
  2. Step 2: Convert to fraction form
    165,913.45/228,960.79 = 90,461.95/x
  3. Step 3: Cross multiply
    165,913.45x = 228,960.79 × 90,461.95
  4. Step 4: Simplify right side
    165,913.45x = 20,712,239,536.94
  5. Step 5: Solve for x
    x = 20,712,239,536.94/165,913.45
  6. Step 6: Final answer
    x = 124,837.62

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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.