Home / 170,489.37-235,229.17-96,900.78

Finding the Fourth Proportional to 170,489.37, 235,229.17 and 96,900.78

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Solution

The fourth proportional to 170,489.37, 235,229.17 and 96,900.78 is: 133,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,489.37 : 235,229.17 = 96,900.78 : x
  2. Step 2: Convert to fraction form
    170,489.37/235,229.17 = 96,900.78/x
  3. Step 3: Cross multiply
    170,489.37x = 235,229.17 × 96,900.78
  4. Step 4: Simplify right side
    170,489.37x = 22,793,890,051.75
  5. Step 5: Solve for x
    x = 22,793,890,051.75/170,489.37
  6. Step 6: Final answer
    x = 133,696.84

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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.