Home / 165,898.53-228,940.09-90,447.03

Finding the Fourth Proportional to 165,898.53, 228,940.09 and 90,447.03

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Solution

The fourth proportional to 165,898.53, 228,940.09 and 90,447.03 is: 124,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,898.53 : 228,940.09 = 90,447.03 : x
  2. Step 2: Convert to fraction form
    165,898.53/228,940.09 = 90,447.03/x
  3. Step 3: Cross multiply
    165,898.53x = 228,940.09 × 90,447.03
  4. Step 4: Simplify right side
    165,898.53x = 20,706,950,962.32
  5. Step 5: Solve for x
    x = 20,706,950,962.32/165,898.53
  6. Step 6: Final answer
    x = 124,816.96

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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.