Home / 105,562.20-158,343.30-100,896.60

Finding the Fourth Proportional to 105,562.20, 158,343.30 and 100,896.60

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Solution

The fourth proportional to 105,562.20, 158,343.30 and 100,896.60 is: 151,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,562.20 : 158,343.30 = 100,896.60 : x
  2. Step 2: Convert to fraction form
    105,562.20/158,343.30 = 100,896.60/x
  3. Step 3: Cross multiply
    105,562.20x = 158,343.30 × 100,896.60
  4. Step 4: Simplify right side
    105,562.20x = 15,976,300,602.78
  5. Step 5: Solve for x
    x = 15,976,300,602.78/105,562.20
  6. Step 6: Final answer
    x = 151,344.90

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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.