Home / 165,914.45-228,962.17-90,462.95

Finding the Fourth Proportional to 165,914.45, 228,962.17 and 90,462.95

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Solution

The fourth proportional to 165,914.45, 228,962.17 and 90,462.95 is: 124,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,914.45 : 228,962.17 = 90,462.95 : x
  2. Step 2: Convert to fraction form
    165,914.45/228,962.17 = 90,462.95/x
  3. Step 3: Cross multiply
    165,914.45x = 228,962.17 × 90,462.95
  4. Step 4: Simplify right side
    165,914.45x = 20,712,593,336.60
  5. Step 5: Solve for x
    x = 20,712,593,336.60/165,914.45
  6. Step 6: Final answer
    x = 124,839.00

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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.