Home / 100,859.02-151,310.20-50,285.58

Finding the Fourth Proportional to 100,859.02, 151,310.20 and 50,285.58

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Solution

The fourth proportional to 100,859.02, 151,310.20 and 50,285.58 is: 75,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,859.02 : 151,310.20 = 50,285.58 : x
  2. Step 2: Convert to fraction form
    100,859.02/151,310.20 = 50,285.58/x
  3. Step 3: Cross multiply
    100,859.02x = 151,310.20 × 50,285.58
  4. Step 4: Simplify right side
    100,859.02x = 7,608,721,166.92
  5. Step 5: Solve for x
    x = 7,608,721,166.92/100,859.02
  6. Step 6: Final answer
    x = 75,439.17

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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.