Home / 82,169.84-123,316.80-40,043.36

Finding the Fourth Proportional to 82,169.84, 123,316.80 and 40,043.36

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Solution

The fourth proportional to 82,169.84, 123,316.80 and 40,043.36 is: 60,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,169.84 : 123,316.80 = 40,043.36 : x
  2. Step 2: Convert to fraction form
    82,169.84/123,316.80 = 40,043.36/x
  3. Step 3: Cross multiply
    82,169.84x = 123,316.80 × 40,043.36
  4. Step 4: Simplify right side
    82,169.84x = 4,938,019,016.45
  5. Step 5: Solve for x
    x = 4,938,019,016.45/82,169.84
  6. Step 6: Final answer
    x = 60,095.27

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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.