Home / 100,693.20-151,059.96-38,370

Finding the Fourth Proportional to 100,693.20, 151,059.96 and 38,370

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Solution

The fourth proportional to 100,693.20, 151,059.96 and 38,370 is: 57,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,693.20 : 151,059.96 = 38,370 : x
  2. Step 2: Convert to fraction form
    100,693.20/151,059.96 = 38,370/x
  3. Step 3: Cross multiply
    100,693.20x = 151,059.96 × 38,370
  4. Step 4: Simplify right side
    100,693.20x = 5,796,170,665.20
  5. Step 5: Solve for x
    x = 5,796,170,665.20/100,693.20
  6. Step 6: Final answer
    x = 57,562.68

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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.