Home / 165,822.80-228,834.60-90,370.64

Finding the Fourth Proportional to 165,822.80, 228,834.60 and 90,370.64

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Solution

The fourth proportional to 165,822.80, 228,834.60 and 90,370.64 is: 124,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,822.80 : 228,834.60 = 90,370.64 : x
  2. Step 2: Convert to fraction form
    165,822.80/228,834.60 = 90,370.64/x
  3. Step 3: Cross multiply
    165,822.80x = 228,834.60 × 90,370.64
  4. Step 4: Simplify right side
    165,822.80x = 20,679,929,256.14
  5. Step 5: Solve for x
    x = 20,679,929,256.14/165,822.80
  6. Step 6: Final answer
    x = 124,711.01

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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.