Home / 103,984.38-155,927.16-54,014.40

Finding the Fourth Proportional to 103,984.38, 155,927.16 and 54,014.40

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Solution

The fourth proportional to 103,984.38, 155,927.16 and 54,014.40 is: 80,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,984.38 : 155,927.16 = 54,014.40 : x
  2. Step 2: Convert to fraction form
    103,984.38/155,927.16 = 54,014.40/x
  3. Step 3: Cross multiply
    103,984.38x = 155,927.16 × 54,014.40
  4. Step 4: Simplify right side
    103,984.38x = 8,422,311,991.10
  5. Step 5: Solve for x
    x = 8,422,311,991.10/103,984.38
  6. Step 6: Final answer
    x = 80,995.93

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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.