Home / 165,623.94-228,560.94-90,172.44

Finding the Fourth Proportional to 165,623.94, 228,560.94 and 90,172.44

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Solution

The fourth proportional to 165,623.94, 228,560.94 and 90,172.44 is: 124,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623.94 : 228,560.94 = 90,172.44 : x
  2. Step 2: Convert to fraction form
    165,623.94/228,560.94 = 90,172.44/x
  3. Step 3: Cross multiply
    165,623.94x = 228,560.94 × 90,172.44
  4. Step 4: Simplify right side
    165,623.94x = 20,609,897,648.49
  5. Step 5: Solve for x
    x = 20,609,897,648.49/165,623.94
  6. Step 6: Final answer
    x = 124,437.91

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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.