Home / 165,816.31-228,826.52-90,364.75

Finding the Fourth Proportional to 165,816.31, 228,826.52 and 90,364.75

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Solution

The fourth proportional to 165,816.31, 228,826.52 and 90,364.75 is: 124,703.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,816.31 : 228,826.52 = 90,364.75 : x
  2. Step 2: Convert to fraction form
    165,816.31/228,826.52 = 90,364.75/x
  3. Step 3: Cross multiply
    165,816.31x = 228,826.52 × 90,364.75
  4. Step 4: Simplify right side
    165,816.31x = 20,677,850,821.35
  5. Step 5: Solve for x
    x = 20,677,850,821.35/165,816.31
  6. Step 6: Final answer
    x = 124,703.36

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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.