Home / 82,180.48-123,199.38-40,001.92

Finding the Fourth Proportional to 82,180.48, 123,199.38 and 40,001.92

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Solution

The fourth proportional to 82,180.48, 123,199.38 and 40,001.92 is: 59,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,180.48 : 123,199.38 = 40,001.92 : x
  2. Step 2: Convert to fraction form
    82,180.48/123,199.38 = 40,001.92/x
  3. Step 3: Cross multiply
    82,180.48x = 123,199.38 × 40,001.92
  4. Step 4: Simplify right side
    82,180.48x = 4,928,211,742.81
  5. Step 5: Solve for x
    x = 4,928,211,742.81/82,180.48
  6. Step 6: Final answer
    x = 59,968.15

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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.