Home / 181,806.40-272,758.20-162,220.60

Finding the Fourth Proportional to 181,806.40, 272,758.20 and 162,220.60

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Solution

The fourth proportional to 181,806.40, 272,758.20 and 162,220.60 is: 243,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,806.40 : 272,758.20 = 162,220.60 : x
  2. Step 2: Convert to fraction form
    181,806.40/272,758.20 = 162,220.60/x
  3. Step 3: Cross multiply
    181,806.40x = 272,758.20 × 162,220.60
  4. Step 4: Simplify right side
    181,806.40x = 44,246,998,858.92
  5. Step 5: Solve for x
    x = 44,246,998,858.92/181,806.40
  6. Step 6: Final answer
    x = 243,374.26

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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.