Home / 165,315.52-228,160.36-100,822.18

Finding the Fourth Proportional to 165,315.52, 228,160.36 and 100,822.18

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Solution

The fourth proportional to 165,315.52, 228,160.36 and 100,822.18 is: 139,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,315.52 : 228,160.36 = 100,822.18 : x
  2. Step 2: Convert to fraction form
    165,315.52/228,160.36 = 100,822.18/x
  3. Step 3: Cross multiply
    165,315.52x = 228,160.36 × 100,822.18
  4. Step 4: Simplify right side
    165,315.52x = 23,003,624,884.78
  5. Step 5: Solve for x
    x = 23,003,624,884.78/165,315.52
  6. Step 6: Final answer
    x = 139,149.82

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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.