Home / 103,977.36-155,979-33,837.84

Finding the Fourth Proportional to 103,977.36, 155,979 and 33,837.84

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Solution

The fourth proportional to 103,977.36, 155,979 and 33,837.84 is: 50,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,977.36 : 155,979 = 33,837.84 : x
  2. Step 2: Convert to fraction form
    103,977.36/155,979 = 33,837.84/x
  3. Step 3: Cross multiply
    103,977.36x = 155,979 × 33,837.84
  4. Step 4: Simplify right side
    103,977.36x = 5,277,992,445.36
  5. Step 5: Solve for x
    x = 5,277,992,445.36/103,977.36
  6. Step 6: Final answer
    x = 50,760.98

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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.