Home / 100,694.70-151,032.26-30,574.62

Finding the Fourth Proportional to 100,694.70, 151,032.26 and 30,574.62

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Solution

The fourth proportional to 100,694.70, 151,032.26 and 30,574.62 is: 45,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,694.70 : 151,032.26 = 30,574.62 : x
  2. Step 2: Convert to fraction form
    100,694.70/151,032.26 = 30,574.62/x
  3. Step 3: Cross multiply
    100,694.70x = 151,032.26 × 30,574.62
  4. Step 4: Simplify right side
    100,694.70x = 4,617,753,957.24
  5. Step 5: Solve for x
    x = 4,617,753,957.24/100,694.70
  6. Step 6: Final answer
    x = 45,858.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.