Home / 165,687.16-228,648.54-90,235.96

Finding the Fourth Proportional to 165,687.16, 228,648.54 and 90,235.96

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Solution

The fourth proportional to 165,687.16, 228,648.54 and 90,235.96 is: 124,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,687.16 : 228,648.54 = 90,235.96 : x
  2. Step 2: Convert to fraction form
    165,687.16/228,648.54 = 90,235.96/x
  3. Step 3: Cross multiply
    165,687.16x = 228,648.54 × 90,235.96
  4. Step 4: Simplify right side
    165,687.16x = 20,632,320,509.50
  5. Step 5: Solve for x
    x = 20,632,320,509.50/165,687.16
  6. Step 6: Final answer
    x = 124,525.77

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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.