Home / 165,813.30-228,641.65-112,004.91

Finding the Fourth Proportional to 165,813.30, 228,641.65 and 112,004.91

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Solution

The fourth proportional to 165,813.30, 228,641.65 and 112,004.91 is: 154,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,813.30 : 228,641.65 = 112,004.91 : x
  2. Step 2: Convert to fraction form
    165,813.30/228,641.65 = 112,004.91/x
  3. Step 3: Cross multiply
    165,813.30x = 228,641.65 × 112,004.91
  4. Step 4: Simplify right side
    165,813.30x = 25,608,987,150.49
  5. Step 5: Solve for x
    x = 25,608,987,150.49/165,813.30
  6. Step 6: Final answer
    x = 154,444.71

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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.