Home / 164,969.12-227,658.01-89,517.62

Finding the Fourth Proportional to 164,969.12, 227,658.01 and 89,517.62

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Solution

The fourth proportional to 164,969.12, 227,658.01 and 89,517.62 is: 123,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,969.12 : 227,658.01 = 89,517.62 : x
  2. Step 2: Convert to fraction form
    164,969.12/227,658.01 = 89,517.62/x
  3. Step 3: Cross multiply
    164,969.12x = 227,658.01 × 89,517.62
  4. Step 4: Simplify right side
    164,969.12x = 20,379,403,229.14
  5. Step 5: Solve for x
    x = 20,379,403,229.14/164,969.12
  6. Step 6: Final answer
    x = 123,534.65

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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.