Home / 150,739.20-225,849.60-98,121.60

Finding the Fourth Proportional to 150,739.20, 225,849.60 and 98,121.60

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Solution

The fourth proportional to 150,739.20, 225,849.60 and 98,121.60 is: 147,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,739.20 : 225,849.60 = 98,121.60 : x
  2. Step 2: Convert to fraction form
    150,739.20/225,849.60 = 98,121.60/x
  3. Step 3: Cross multiply
    150,739.20x = 225,849.60 × 98,121.60
  4. Step 4: Simplify right side
    150,739.20x = 22,160,724,111.36
  5. Step 5: Solve for x
    x = 22,160,724,111.36/150,739.20
  6. Step 6: Final answer
    x = 147,013.68

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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.